Stainless steel 304 grade square lunch box 650ml, rectangular lunchbox 800ml, dip pot 75ml with packed lunch and sandwich. LFGB-certified Silicone Lid. BPA-free, plastic free, Greenvyne.

Stainless Steel Lunch Box Australia - The Complete Guide

Name: Stainless Steel Lunch Box and Dip Pot Set | 650ml
Brand: Greenvyne
SKU: GVFS003DSK1P
Price: 42.95 AUD
Availability: InStock

The lunch box you buy once and never replace. Everything you need to know before you buy.

Australia goes through hundreds of millions of single-use plastic bags, zip-lock bags and cling-wrapped snack portions every year. Most of them leave the kitchen at 7 am and go straight into a bin by lunchtime. A stainless steel lunch box does not fix everything. But it fixes that specific thing, every day, for years.

This guide covers what to look for when choosing a stainless steel lunch box in Australia, which material is actually best, what capacity matches your needs, why a modular system often works better than one large bento box, and the material quality questions worth asking before you buy.

Plastic, Glass, Silicone or Stainless Steel - Which Lunch Box Material Is Actually Safest?

Most lunch boxes sold in Australia fall into four categories: plastic, glass with a plastic or silicone lid, silicone, and stainless steel. Each has genuine advantages. Each has limitations that the marketing tends not to mention.

Plastic is lightweight and cheap. The problem is the timeline; most plastic lunch boxes show staining within months, develop residual odours within six months, and warp or crack within a year of daily dishwasher use. The deeper concern is microplastics. Research published in Environmental Science and Technology found that plastic food containers shed microplastic particles during normal use, particularly under heat and mechanical stress. Standard polypropylene lunch boxes do not contain BPA, but the microplastic shedding question is separate from the BPA question and less commonly acknowledged in product marketing.

Glass lunch boxes with silicone or plastic lids are a meaningful improvement on plastic for food safety. Glass is non-porous and chemically inert. The limitations are weight and breakability. A glass lunch box in a primary school bag is a different risk calculation than one on an adult's office desk. Glass also has one genuine advantage over stainless steel: it is microwave safe. More on that below.

Silicone lunch boxes are lightweight and flexible. Food-grade silicone is chemically stable under normal use conditions, but silicone quality varies significantly across products. The silicone grade used, domestic food grade, FDA food grade or LFGB food grade, matters more than most buyers realise. We cover the difference in the materials section below.

304-grade stainless steel is non-porous, completely inert, unbreakable under normal use, dishwasher safe without degrading, and does not shed particles of any kind into food. The one honest limitation: it is not microwave safe. Most stainless steel lunch boxes can't go in a microwave. If reheating at work is a daily requirement, opt for a microwave-safe stainless steel lunch box or a microwave-safe container like ceramic or glass, to reheat. Greenvyne's oven and microwave-safe food storage range with glass and silicone lids is in development to exactly solve this problem.

Lunch Box Materials — The Honest Comparison

Swipe to compare →

	Stainless Steel	Plastic	Glass	Silicone
Food safe	✓ Inert, non-reactive	△ BPA-free grades available but PFAS, BPS, BPF & microplastic risk remains	✓ Inert, non-reactive	△ Depends on silicone grade — LFGB, FDA or domestic
Microwave safe	△ Some	✓ Most grades	✓ Yes	✓ Yes
Dishwasher safe	✓ Indefinitely, no degradation	△ Warps and clouds over time	✓ Yes	✓ Yes
Unbreakable	✓ Dents before it shatters	△ Cracks under stress	✗ Shatters on impact	✓ Flexible, does not break
Odour resistant	✓ Non-porous, no residual smell	✗ Absorbs odours over time	✓ Non-porous	△ Can retain strong odours
Stain resistant	✓ Does not stain	✗ Stains from sauces and dressings	✓ Does not stain	△ Can discolour from strong foods
Microplastic risk	✓ None	✗ Present under heat and stress	△ With plastic lid	✓ Minimal
Weight	△ Medium	✓ Light	✗ Heavy	△ Medium
Lifespan	✓ Decades	✗ 1–2 years typical	△ 3–5 years	△ 2–4 years
Grade matters	✓ 304 vs 202/204 - ask the brand	—	—	✓ LFGB vs FDA vs domestic

Key: ✓ Advantage · △ Conditional · ✗ Limitation
Silicone grade applies to silicone lunch boxes, silicone lids and the silicone seals on stainless steel and glass containers. The three grades: domestic food grade, FDA food grade and LFGB food grade are explained in the materials section below.

Why a Modular Lunch System Works Better Than One Big Bento Box

Lately, the large 5-compartment plastic or steel bento lunch box has become the popular choice for parents and meal preppers. The appeal is obvious: the curated back-to-school and lunch box idea insta posts showing everything in one box, one lid, one item to carry and beautiful to look at. In practice, the experience is more complicated.

A child taking crackers and berries for morning tea does not need to carry, unpack and repack an entire bento box to access one compartment. An adult reaching for a snack at their desk does not want to open a 30cm lunch box and expose their entire meal to the office. And a school bag that carries a full 5-compartment bento every day, loaded, heavy, all three meal occasions combined, is heavier than it needs to be for most of the day.

A modular system solves this differently. Instead of one large box that carries everything, each meal occasion gets its own right-sized container:

The 200ml stainless steel snack box is a perfect size for morning tea, crackers, fruit and cheese, or an afternoon snack. Small enough to go in a jacket pocket or a side bag compartment. Opened and closed independently without disturbing anything else.

The 650ml lunch box, sized for a full sandwich, salad, pasta or any main lunch portion. The matching 75ml dip pot nests inside the closed box, so dressing and condiments travel with the meal and return together rather than separately.

The 800ml and 1000ml lunch boxes, arriving mid-2026, for larger appetites and adult work lunches requiring a full meal portion.

The practical result: a child takes two small snack boxes and a sandwich box to school. They open the snack box at morning tea without touching the sandwich. They open the sandwich box at lunch. The afternoon snack box stays sealed until needed. Each box is lighter than a full bento, easier to open independently, and only gets washed when it has actually been used.

For adults, the same logic applies. Grab the snack box for the meeting. Leave the lunch box in the fridge until noon. The dip pot with dressing travels inside the sandwich box. One less thing to juggle.

As a general guide based on common meal portion sizes, primary school-aged children from around 5 to 10 years typically need 500ml to 650ml for a main lunch portion and 150ml to 200ml for a snack portion. Children from 10 years and above, and most adults need 650ml to 800ml for a main meal. These are practical estimates; appetite varies significantly between children, and the best guide is what your child actually eats at home for a meal versus a snack.

Stainless Steel Lunch Box and Dip Pot Set | 650ml

A proper lunch box does one thing well. It gets a full meal from your kitchen to wherever you are eating it, intact, without the dressing ending up on everything else in the bag.

The Greenvyne 650ml stainless steel lunch box is built around that job. The 15cm square format fits a full sandwich without trimming, a generous salad, leftover pasta, a grain bowl, or anything else a proper lunch actually looks like. The 75ml dip pot nests inside the closed box so the dressing travels with the meal, not separately.

One item in the bag. Lunch sorted.

The 650ml square also fits a full salad, leftover pasta, pizza slices, pastries or cut veggies. The leak-resistant silicone lid seals flat and stays sealed in a bag. The matching dip pot nests inside the closed box and handles the dressing, the dip, the handful of nuts, and the side of hummus. It travels with the meal, not separately.

Both containers are food-grade 304 stainless steel with LFGB-certified silicone lids, independently tested and certified. Zero plastic touching or shedding into your food.

For three dedicated dip pots in a matched set, shop our Horizon Collection.

The sandwich box that does not ask you to compromise on the sandwich.

Complete the Plastic-Free Lunch Kit

Pair this set with the stainless steel snack containers for morning tea, or pick up the Horizon Collection dip pot 3-piece set to have a dedicated pot ready for every day of the week. For the full mealtime picture, explore our stainless steel dinnerware.

Not sure which stainless steel lunch box format is right for you? Read the complete guide to choosing a stainless steel lunch box.

Choose your color: Dusk

$42.95

Ships next business day from Melbourne
Flat Rate Shipping $14.95 | Free Over $129
30 Day Returns*

The Material Quality Questions Worth Asking Before You Buy

Not all stainless steel lunch boxes are the same grade. Not all food-grade silicone is the same standard. These are the two quality questions that matter most and are least commonly answered clearly in product marketing.

On stainless steel grade:

202/204-grade stainless steel is a lower-cost alloy containing less nickel and more manganese than 304-grade stainless steel. It is more susceptible to corrosion over time, particularly with acidic foods like citrus dressings and tomato-based sauces. Many lower-priced lunch boxes sold on marketplace platforms are 202/204-grade, though they are not always labelled as such. If the grade is not stated clearly on the product page, that is worth asking about directly.

304-grade stainless steel, also written as 18/8, for its 18% chromium and 8% nickel content, is the correct food-grade specification for a lunch box used daily with varied foods. It is the alloy used in commercial food processing, professional kitchens and hospital catering equipment. It does not corrode under normal food contact conditions, it does not require an internal coating, and does not change composition with age or repeated dishwasher use.

316-grade adds 2% molybdenum for additional corrosion resistance in marine and medical applications. For a lunch box, it is not meaningfully better than 304 in practice. Greenvyne uses 316-grade stainless steel for bowls and plates where food sits in contact for longer periods, and 304-grade for lunch boxes and snack boxes used for daily transport.

On silicone grade:

Silicone appears in lunch boxes as lid seals, as full silicone bodies, and as the flexible components on snap-close lids. The quality varies significantly, and the labelling is inconsistently used across the industry.

Domestic food-grade silicone is the minimum manufacturing standard in China. It is technically food safe but subject to less stringent testing requirements than international standards. Most unbranded lunch boxes on market places use this grade without specifying it.

FDA food-grade silicone meets the US Food and Drug Administration standard for food contact materials. More stringent than domestic food grade, this is the reference point for most mid-tier brands making a silicone quality claim.

LFGB food-grade silicone meets the German Food and Feed Code standard, the European benchmark applied across the EU and widely considered the most stringent international food-contact materials standard. It applies stricter migration limits than the FDA equivalent and requires testing of the actual finished product in its final form, not just the raw silicone compound, before manufacturing.

Greenvyne uses LFGB-certified silicone on all lids and seals, independently lab tested on the finished product. When a brand states "food grade silicone" without specifying which standard, LFGB is the question worth asking. For more on how Greenvyne tests its products and which standards apply to each item in the range, see the Quality and Safety page.

What Separates a Good Lunch Box from One You Stop Using

Two design features separate a lunch box that works from one that frustrates within a week.

The first is compartments. A fixed internal divider keeps dry and moist foods separate, but limits flexibility for varying meal types. Removable components, a separate dip pot, and a removable divider allow the same box to work differently on different days. The Greenvyne 650ml sandwich box uses a separate 75ml dip pot that nests inside the closed box, giving you a dedicated condiment container without a fixed compartment that takes up space when not needed. The 200ml snack box uses a fixed internal divider, right for snacks that need to stay separate, not designed for main meal flexibility. For a dedicated dip pot set independent of the lunch box, the Horizon Collection 3-piece dip pot set includes three 75ml pots for prepping dressings ahead.

The second is the honest version of leak resistance. Most stainless steel lunch box marketing uses the phrase leak-proof. Leak-resistant is the more accurate term for any lid-sealed container. A well-designed box with an LFGB silicone lid or seal will not leak under normal transport conditions, upright in a bag, standard movement on a commute or school run. It is not designed to be carried on its side or used for soups and fully liquid foods in transit. The seal quality determines leak resistance more than any other factor. LFGB certification means the lid & seal have been tested in their finished form under the most stringent international standard available.

Stainless Steel Snack Box | 2-Compartment | 200ml

9 total reviews

Crackers go soggy. Fruit juice soaks everything else. This fixes both.

The Snack Box That Keeps the Crackers Crispy

There is a simple satisfaction in packing a lunchbox that stays fresh until the morning tea bell rings. If you are tired of the daily waste of zip-lock bags and soggy crackers by lunchtime, our 2-compartment stainless steel snack box is the answer.

The Perfect 2-Compartment Bento Snack Box for Daycare and School

This container to be the ultimate lunchbox insert, sized perfectly to sit alongside a sandwich or wrap. With a 200ml total capacity across two separate sections, it keeps your fruit and crackers strictly apart. The soft, flexible silicone lid is easy for little hands to open independently, making it a favourite for daycare morning tea and preschool snacks.

Unbreakable, Plastic-Free & Perfectly Proportioned

Most small plastic containers eventually crack or lose their lids at the bottom of a school bag. Crafted from premium 304-grade 18/8 stainless steel, this leak-resistant snack container is built to survive the tumbles of pram walks and after-school activities. Whether it is hummus and veggie sticks for the gym or berries and cheese for a playground playdate, it is the durable, non-toxic alternative that families can rely on for years.

Ready for Every Little Adventure

Bento-Style Separation: Two practical compartments (200ml) keep snacks perfectly portioned and textures separate.
Leak-Resistant Silicone Lid: A secure seal designed for thick snacks like hummus, dips, soft cheese and similar foods. Not intended for thin liquids or soups.
Perfectly Portable: Lightweight and compact, it fits effortlessly into backpacks, nappy bags, or work totes for portion-controlled snacking.
Built to Last: High-quality 18/8 stainless steel that is shatterproof, dishwasher safe, and won't retain the smells of past meals.
Sustainable by Design: Replaces roughly 200 zip-lock bags a year for a household that packs a daily snack. No single-use plastic, no microplastics and no weekly restocking.

Complete the Plastic-Free Lunch Kit

The snack box works best as part of a system. Pair it with the stainless steel lunch box and dip pot set for a complete packed lunch, sandwich and main in the larger box, morning tea snack in this one. Add the Horizon Collection stainless steel snack pot 3-piece set for a dedicated pot for dressings, hummus or nuts on the side. For a full breakdown of how the snack box fits into a modular lunch system, read the stainless steel lunch box guide.

For younger children still on the sippy cup transition, the 3-in-1 stainless steel sippy cup and kids cutlery set complete the mealtime kit.

Want to know more about the materials? Read why stainless steel is safer than plastic for kids' dinnerware.

Choose your color: Lavender

$20.95

Ships next business day from Melbourne
Flat Rate Shipping $14.95 | Free Over $129
30 Day Returns*

The Greenvyne Modular Lunch System in Practice

A typical school day with the Greenvyne system looks like this.

Morning tea: the 200ml snack box with crackers in one compartment and cheese or fruit in the other. Opened independently at the meal table. Closed, back in the bag. Nothing else disturbed.

Lunch: the 650ml sandwich box with a full sandwich or salad. The 75ml dip pot inside the closed box carrying the dressing or hummus. One item to carry from the bag to the lunch table. Both pieces come apart completely, no hidden crevices, nothing requiring a brush to reach.

Afternoon tea: the second snack box or the dip pot with a handful of nuts. Sealed until that moment.

The bag is lighter than it would be with a single large bento box, because each container is only as large as the meal it carries. The washing is proportional to what was actually used. And nothing has to be unpacked, rearranged or repacked to access one portion of the day's food.

For adults, the system scales the same way. A snack box in a jacket pocket for the 10 am coffee break. The sandwich box is in the bag for noon. No performance required at the office kitchen.

More from the Greenvyne Range

The lunch box range is part of a broader plastic-free kitchen system. Everything is built from food-grade 304 or 316-grade stainless steel, tested to the same LFGB silicone standard, and designed to work together as a complete daily system.

Frequently Asked Questions

What is the best stainless steel lunch box in Australia?

The best stainless steel lunch box depends on who is using it and how. For primary school children, the priority is a capacity matched to appetite, around 500ml to 650ml for most children aged 5 to 10, a square or rectangular format that fits a standard school bag, and food-grade 304 stainless steel with an LFGB-certified silicone seal. For adults, 800ml or above covers a proper work lunch portion.

The questions worth asking of any brand before buying: what grade of steel is used, what silicone standard is used on the lids and seals, and has the finished product been independently lab tested rather than relying on supplier material certificates.

For a complete packed lunch that includes a dressing or dip on the side, the system matters as much as the box. A dedicated dip pot that nests inside the closed lunch box means one item in the bag rather than two. The Greenvyne stainless steel lunch box and dip pot set is 650ml with a 75ml dip pot that nests inside the closed box with both lids on. 304-grade stainless steel, LFGB-certified silicone lids, independently tested, dispatched from Melbourne.

Why is a modular lunch system better than one big bento box?

A large multi-compartment bento box carries everything in one container. The tradeoff is that accessing one portion requires opening the whole box; the bag is at its heaviest all day, regardless of what has been eaten, and every compartment gets washed, whether it was used or not.

A modular system uses right-sized containers for each meal occasion. A 200ml snack box for morning tea. A 650ml sandwich box with a 75ml dip pot inside for lunch. A second snack box for afternoon tea, if needed.

The bag is lighter because each container only carries what is needed for that moment. The washing is proportional to what was actually used. And a child or adult can access their morning tea snack without unpacking, rearranging or exposing
their entire lunch.

What is the best plastic-free lunch box for school in Australia?

The practical requirements for a plastic-free school lunch box are different from a general food container. It needs to fit a full sandwich without cutting, be light enough for a primary school aged child to carry independently, have a lid that a child can open without adult help, and be durable enough to survive daily drops, bag compression and the general chaos of a school bag.

Stainless steel is the only plastic-free material that meets all four requirements. Glass is too heavy and too fragile for school use. Silicone-bodied containers are light but lack the rigidity to protect food from bag compression. Stainless steel is lighter than glass, more rigid than silicone, and survives drops that would shatter or crack any alternative.

The Greenvyne 650ml stainless steel lunch box is 15cm square, fits a full sandwich without trimming, and weighs significantly less than a glass equivalent of the same volume. The LFGB-certified silicone lid opens with one hand. It ships Australia-wide from Melbourne with flat-rate $14.95 delivery or free shipping on orders over $129.

What size stainless steel lunch box do I need?

As a practical guide based on common meal portion sizes, primary school children aged 5 to 10 years typically need 500ml to 650ml for a main lunch and 150ml to 200ml for a snack portion. Children from 10 years upward and most adults need 650ml to 800ml for a main meal. These are estimates; appetite varies significantly, and the best guide is what your child actually eats at home for a comparable meal.

Format matters as much as capacity. A square or rectangular box packs more efficiently in a standard lunch bag and sits more stably than a round container. A box that is too large means food moves around inside, and the seal works less effectively.

Is stainless steel lunch box better than plastic?

For most daily packed lunch use cases, yes. The comparison breaks down like this.

Plastic is lighter and cheaper upfront. Over 12 to 18 months of daily dishwasher use, it typically warps, stains and develops residual odours. The microplastic shedding question, particles released during normal use and washing, is a separate concern from BPA and one that applies to polypropylene containers even when they are BPA-free.

304-grade stainless steel does not warp, stain, develop odours or shed particles under any normal use conditions. It costs more upfront and lasts indefinitely.

The one area where plastic and glass have a practical advantage over stainless steel is microwave safety. Most stainless steel containers are not designed to be used in a microwave. If reheating food at a destination is a daily requirement, use a microwave-safe stainless steel lunch box or a microwave-safe container to reheat food. Greenvyne's oven and microwave-safe food storage range with glass lids is in development for this use case.

What is the best stainless steel lunch and sandwich box with a dip pot for adults?

Most stainless steel lunch boxes are designed around a kid's school lunch, a sandwich, a snack, and something to drink. The adult work lunch is a different problem. A proper meal portion rather than a sandwich-sized serve. A dressing or sauce that needs to travel separately and arrive intact. Something that looks considered on a desk or in a work kitchen, rather than obviously a kids' product.

The requirements for an adult stainless steel lunch box with a dip pot are specific. The main box needs to hold 600ml or above for a proper adult portion. The dip pot needs to be genuinely leak-resistant for dressings carried in a work bag. And the two pieces need to travel as one item rather than as separate loose pieces that need managing alongside a laptop bag and a coffee cup.

The Greenvyne stainless steel lunch box and dip pot set is designed around exactly that use case. The 650ml square box fits a full adult meal portion, a grain bowl, a dressed salad, a full sandwich, leftover pasta or a proper work lunch that does not feel like a compromise. The 75ml dip pot nests inside the closed box with both lids on, so the whole system is one item in the bag. The electropolished interior means the dressing from Monday leaves no smell and no stain by Wednesday. Available in Dusk and Lagoon, two colourways that work as well on a work desk as they do in a school bag.

Are stainless steel lunch boxes leak-proof?

Leak-resistant is the accurate term. A stainless steel lunch box with an LFGB-certified silicone seal or a tighter lid will not leak under normal transport conditions, upright in a bag, standard movement on a commute or school run.

It is not designed for soups or fully liquid foods carried on their side. For dressings and condiments, a separate sealed dip pot carried upright inside the lunch box is more reliable than relying on the main box lid to contain liquids at an angle.

Silicone seal, lid fit and quality are the most important factors in leak resistance. LFGB-certified silicone, tested on the finished product under the EU food-contact materials standard, is the benchmark to look for.

What is the difference between a bento box and a stainless steel lunch box?

The terms are used interchangeably in Australia but describe different things. A bento box is a Japanese-style container with multiple fixed internal compartments
designed to carry an entire meal, main, sides and snacks, in one sealed unit.

A stainless steel lunch box is a more general term for any container used to carry a packed meal. It may have compartments, a single cavity, or use separate removable components like a dip pot.

In practice, a large multi-compartment bento box works well for some users and creates unnecessary friction for others. A child who needs to access one compartment at morning tea opens the entire box. An adult who wants a snack at their desk opens their entire lunch. A modular system, separate right-sized containers for each meal occasion, solves this differently without the tradeoffs.

What is the difference between food grade silicone standards?

Silicone quality in lunch boxes varies significantly, and the labelling is inconsistently used across the industry. Three standards are relevant:

Domestic food-grade silicone is the minimum manufacturing standard in China. Technically, food safe but subject to less stringent testing requirements than international benchmarks. Used in most unbranded products on marketplaces without being specified as such.

FDA food-grade silicone meets the US Food and Drug Administration standard for food contact materials. More rigorous than domestic food grade. Referenced by most mid-tier brands making a silicone quality claim.

LFGB food-grade silicone meets the German Food and Feed Code, the EU food-contact materials standard, and the most stringent international benchmark currently in use. It applies stricter migration limits than FDA and requires testing of the finished
product in its final form, not just the raw silicone compound.

Greenvyne uses LFGB-certified silicone on all lids and seals, tested by accredited labs on the finished product. When a brand states "food-grade silicone" without specifying which standard, asking whether it is LFGB-certified is the right question.

What is the best stainless steel lunch box for meal prep in Australia?

Meal prep puts different demands on a lunch box than a standard packed lunch. The container needs to go from the fridge to a work bag and arrive intact after a commute. It needs to hold a full meal prep portion rather than a sandwich-sized serve. And it needs to be genuinely easy to clean after repeated daily use with sauces, dressings and proteins that stain and linger in plastic containers after a few weeks.

For meal prep specifically, three things matter more than anything else. Capacity, a proper meal prep portion for an adult is 600ml to 800ml, not the 400ml to 500ml that suits a primary school child's lunch. Leak resistance, a container carried upright in a work bag with a dressed salad or sauced protein needs a silicone seal that holds under normal commute conditions. And odour resistance, a container used five days a week for lunch needs to come out of the dishwasher neutral each time, regardless of what was in it.

The Greenvyne 650ml stainless steel lunch box handles all three for single-serve meal prep portions. The electropolished interior resists odour absorption, so Monday's salmon does not follow the container into Wednesday. The LFGB-certified silicone lid seals flat and stays sealed upright in a bag. And the 75ml dip pot that nests inside the closed box means dressings and sauces travel with the meal rather than separately.

For larger meal prep volumes, the Greenvyne rectangular stainless steel food storage containers, available in 600ml, 1500ml and 2900ml, cover the batch cooking and fridge storage end of the meal prep cycle. Prep and store in the food storage containers on Sunday, portion into the lunch box for the commute during the week.