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 Modular Lunch Guide

Name: Stainless Steel Sandwich Box with Snack Pot | 650ml
Brand: Greenvyne
SKU: GVFS003LGN1P
Price: 39.95 AUD
Availability: InStock
Rating: 5.0 (3 reviews)

The lunch container you buy once and use for decades. Everything you need to know before you choose.

Australia discards hundreds of millions of single-use plastic bags, zip-lock pouches, and cling-wrapped snacks every year. Most leave the kitchen at 7 am and go straight to the bin by lunchtime. A stainless steel lunch box does not solve every environmental challenge. But it completely solves daily meal packing with clean, non-toxic durability that outlasts trends.

This guide explains what to look for when choosing food-grade lunchware in Australia, how to match container capacity to real appetites, why modular containers offer greater daily flexibility than rigid compartment boxes, and the essential material quality standards worth checking before you buy.

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

Most lunch boxes in Australia fall into four main material categories: plastic, glass with composite lids, pure silicone, and food-grade stainless steel. Each offers distinct functional benefits, along with practical limitations rarely highlighted in product marketing.

Plastic (Polypropylene / PP Code 5): Lightweight and cheap to buy from a supermarket, plastic degrades quickly under daily domestic wear. Most plastic containers exhibit surface scratching within weeks, absorb food grease, and warp under standard dishwasher temperatures. Beyond BPA concerns, research published in Environmental Science and Technology confirms that food-grade polypropylene containers shed microplastic particles directly into food under normal mechanical stress and heating.

Glass (Borosilicate / Tempered): Glass is non-porous, chemically inert, and ideal for reheating lunch at work. However, its heavy to carry and vulnerability to impact fractures make it a safety risk in school bags and train commutes.

Food-Grade Silicone: Highly flexible and temperature-stable. However, silicone purity varies significantly across international regulatory tiers. The difference between domestic manufacturing grade, FDA grade, and European LFGB certified silicone determines whether the material leaches volatile compounds into fatty foods.

304 Food-Grade Stainless Steel (18/8): An inert, non-porous alloy composed of 18% chromium and 8% nickel. It does not require synthetic chemical linings, will not harbour bacteria, does not degrade in high-temperature dishwashers, and sheds zero microplastics. While standard 304 steel cannot be placed in a conventional microwave, its durability makes it the most reliable material for kids and adults. For daily work reheating, choose a dedicated microwave-safe stainless steel container.

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 Offers Greater Daily Freedom

Large, multi-compartment bento boxes have become popular for their photogenic, all-in-one layouts. While an all-in-one box works well for grazing platters, rigid internal walls present real daily limitations.

Fixed dividers force you to slice, squish, or trim standard sandwiches to fit predefined squares. They add heavy carry weight to school bags even when carrying simple snacks, and they require unpacking an entire 30cm container just to reach a morning tea biscuit.

A modular system solves these issues through adaptable, right-sized containers:

The 200ml 2-Compartment Snack Box: Sized specifically for morning tea, fruit, cheese, or crackers. Fits easily into side pockets and opens independently without disturbing the main lunch.

The 650ml Sandwich Box: A dedicated 15cm square footprint engineered to fit full bakery bread slices, sourdough halves, wraps, or grain salads without cutting crusts.

The Nesting 75ml Dip Pot: Sits securely inside the closed 650ml box, keeping dressings, yoghurt, and dips 100% leakproof until mealtime.

Practical Capacity Recommendations

Ages 5 to 10 (Primary School): 500ml to 650ml main meal capacity paired with a 150ml to 200ml morning tea snack box.
Ages 10+ and Adults: 800ml to 1200ml main container capacity for substantial salads, wraps, and meal prep portions.

Stainless Steel Sandwich Box with Snack Pot | 650ml

3 total reviews

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 stainless steel mini container nests inside the closed box so snacks and dressing travels with the meal, not separately.

One item in the bag. Lunch sorted.

At 650ml it also fits a standard salad, a serve of pasta, pizza slices, overnight oats or cut veggies. The leak-resistant silicone lid seals flat and stays sealed in a bag. The matching snack 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 food grade LFGB-certified silicone lids, independently lab tested and certified. Zero plastic touching or shedding into your food.

For three dedicated snack pots in a matched set, shop the 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 get both together in the lunch box and snack box bundle, saving $7.95 over buying separately. For the full mealtime set, explore our stainless steel dinnerware.

If you want a lunch box that goes into microwave at work, check out microwave safe lunch and food storage set.

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: Lagoon

$39.95

Ships next business day from Melbourne
Flat Rate Shipping $14.95 | Free Over $149
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.

Stainless Steel Alloy Grades:

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.

Silicone Grades and Testing Standards:

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 basic compliance standard. It is technically food safe but subject to fewer or no migration testing requirements than international standards. Common in unbranded marketplace imports.

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 lids and seals, independently lab-tested on the finished product. When you see "food grade silicone" without specifying which standard, it's worth asking the grade before buying. 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 Practical Lunch Box from One Left in the Cupboard

Adaptable Space vs. Rigid Walls: Fixed internal dividers keep dry and moist foods separate, but limit flexibility for varying meal types. Removable components, a separate container for liquids, and a removable divider allow the same box to work differently on different days. The Greenvyne 650ml sandwich box comes with a 75ml mini container that nests inside the lunch box, adding leakproof sauce containment without consuming valuable space when not required. The 200ml snack box uses a fixed internal divider, right for fruits and cheese that need to stay separate.

Leak Resistance: Stainless steel boxes with precision friction-fit lids provide reliable containment for sandwiches, wraps, pasta, sushi and baked goods. For thin liquids, salad dressings, and yoghurts, the 75ml mini container with silicone lid provides dedicated, leakproof peace of mind.

Stainless Steel Snack Box | 2-Compartment | 200ml

8 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. Or get both together in the lunch box and snack box bundle, saving $8.95 over buying separately.
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 $149
30 Day Returns*

The Greenvyne Modular System in Practice: Real-Life Weekly Flexibility

No two school days look exactly the same, and your lunch gear shouldn't have to either.

Large compartment bento boxes have their place on days when kids want a grazing platter of Vegemite toasts, bite-sized nibbles, dips, and chopped veggies. But on days when lunch is a full bakery sandwich, fresh sushi rolls, cold soba noodles, a wrap, or leftover pasta, rigid little compartments get in the way.

Having a modular system alongside your bento gives you the freedom to pack what actually fits the meal, keeping bags lighter and cleanup faster.

How a Modular Week Works

The Bento Days: Great for finger-food platters, snack variety, and grazing lunches.
The Modular Days: Ideal for full sandwiches, wraps, grain salads, sushi, or pasta, paired with a dedicated snack box for recess.

A Typical School Day with Greenvyne

Morning Tea (200ml Snack Box): Crackers stay crisp in one compartment while berries or sliced cheese stay cool in the other. Little hands grab just this compact box for the recess bell, leaving the main lunch sealed and undisturbed in their bag.

Lunchtime (650ml Sandwich Box + 75ml Snack Pot): A generous square base that holds a complete sandwich without crushed crusts, a large salad, or pasta. The included 75ml dip pot nests neatly inside with salad dressing, hummus, or sauce, travelling securely as a single unit.

Afternoon Pick-Up: A spare snack pot or snack box with seeds and dried fruit stays fresh in a side pocket until the final bell rings.

Why the Right-Sized Container Matters

Lighter School Bags: Your child only carries the weight of what they are eating. On simple vegemite and sandwich days, they carry a streamlined box rather than a heavy, empty multi-wall frame.

Proportional Washing: You only wash what gets used. If morning tea was a quick snack on the go, simply wash the 200ml snack box instead of scrubbing a giant five-section tray.

Grows Beyond the School Gate: The modular logic fits for the whole family. Slip the 200ml snack box into a work tote for a morning meeting, and leave the 650ml sandwich box in the office fridge until noon. Clean, quiet, and effortless.

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.

Is a modular system better than an all-in-one bento box?

Modular containers allow you to pack lighter by carrying only what you need for each meal occasion. Morning tea stays fresh in its own 200ml snack box, while lunch remains sealed in the 650ml container, reducing bag bulk and excess daily washing.

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 $149.

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 perfect for storing and reheating food.

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.

Will standard bakery sandwich bread fit flat inside the 650ml box?

Yes. The 15cm x 15cm dimensions are designed specifically around Australian standard loaf sizes and bakery-sliced bread, allowing sandwiches to sit completely flat with crusts intact.