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Meal Prep Containers — Stainless Steel & Glass

Meal prep is only worth doing if your containers are up to the job. Elephant Box meal prep containers are made from 304 stainless steel, borosilicate glass, and food-grade silicone — nothing plastic touching your food, ever. Whether you're batch cooking for the week, prepping lunches in advance, or just want containers that go from fridge to oven without a second thought, you'll find the right option here. Airtight, leakproof, microwave safe, and freezer safe — built for real meal prep, not just the Instagram version. Use the links below to jump to the buyer's guide or FAQs.

Buyer's Guide | Meal Prep FAQs

7 products
Lunch Bowl - Set of 2
Lunch Bowl - Set of 2
Sold out
Lunch Bowl - Set of 2 £40.60 GBP £58.00 GBP
Sold Out
Lunch Bowl - Medium
Lunch Bowl - Medium
Lunch Bowl - Medium £28.00 GBP
Lunch Bowl - Large
Lunch Bowl - Large
Lunch Bowl - Large £30.00 GBP
New Prep & Store Food Containers - Set of 3
New Prep & Store Food Containers - Set of 3
Bundle
New
New Prep & Store Food Containers - Set of 3 £74.50 GBP £88.00 GBP
New Prep & Store - Large
New Prep & Store - Large
New
New Prep & Store - Large £34.00 GBP
New Prep & Store - Medium
New Prep & Store - Medium
New
New Prep & Store - Medium £30.00 GBP
New Prep & Store - Small
New Prep & Store - Small
New Prep & Store - Small £24.00 GBP

Which Meal Prep Containers Are Right for You?

Why ditch plastic meal prep containers?

Plastic containers warp in the microwave, stain from tomato sauce, and absorb smells over time. More importantly, they can leach chemicals into food — especially when heated. Elephant Box meal prep containers use stainless steel, borosilicate glass, and food-grade silicone instead. They last for years, look better on the shelf, and you never have to wonder what's getting into your lunch.

Prep & Store Containers vs Lunch Bowls — which do you need?

Prep & Store Containers

Lunch Bowls

Base material

Stainless steel

Borosilicate glass

Lid material

Glass

Stainless steel

Best for

Batch cooking, fridge & freezer storage

Eating straight from the container

Shape

Rectangular — stacks neatly

Round — comfortable to eat from

Oven safe

Yes, base up to 200°C

Yes, base up to 200°C

Microwave safe

Yes - base & lid

Yes (remove lid)

Are they freezer safe?

Yes — both the Prep & Store Containers and the Lunch Bowls are freezer safe. The rectangular design of the Prep & Store set stacks efficiently in the freezer, making them particularly good for batch cooking. Fill, seal, freeze, and reheat when you need them.

What sizes are available?

The Prep & Store set comes in a nesting set of three sizes, covering everything from a single portion to a larger batch. If you're cooking for one and portioning throughout the week, the set of three covers you without any wasted space in the fridge.

Are these good for batch cooking?

Yes — they're designed for it. The containers stack neatly, the airtight silicone seal keeps food fresh, and the bases are oven safe up to 200°C so you can go straight from oven to fridge to microwave without transferring between dishes. If you're serious about batch cooking, a set of three gives you a full week's prep in one go.

Meal Prep Container FAQs

Yes — you can heat food in both the steel boxes and glass bowls. The base and lid of the Prep & Store are microwave and oven safe. You will need to remove the lid before microwaving or putting the lunch bowls in the oven. The Prep & Store Containers and Lunch Bowl bases only are oven safe up to 200°C.

Yes. The silicone tab creates a vacuum seal making them 100% airtight and leakproof. To seal, press the lid down firmly with the tab open, then press the tab down. To release, simply pull the tab up and remove the lid.

Yes to both. Everything is dishwasher safe (top shelf recommended) and freezer safe. The bases of both the Prep & Store Containers and Lunch Bowls are also oven safe up to 200°C.

Elephant Box meal prep containers are made from 304 grade stainless steel, food-grade silicone, and borosilicate glass — all durable, toxin-free, and entirely free from plastic.

Borosilicate glass is a toughened glass known for its durability and heat resistance — it's the same material used in laboratory glassware and high-quality cookware. It's lightweight, non-porous, and completely safe for food contact. It's not unbreakable, so handle with reasonable care, but it's significantly tougher than standard glass.

The Prep & Store Containers have a stainless steel base and a glass lid — their rectangular shape makes them ideal for stacking in the fridge and freezer. The Lunch Bowls have a glass base and a stainless steel lid — the round shape makes them comfortable to eat from directly. Both are oven safe, microwave safe, and freezer safe. It really comes down to whether you want something optimised for storage and batch cooking, or for eating straight from the container.

Yes — the Prep & Store set of three gives you a nesting range of sizes, making it straightforward to batch cook on a Sunday and portion out meals for the week. The airtight seal keeps food fresh in the fridge for several days, and the freezer-safe bases mean you can prep even further ahead when needed.

That's the whole point. Stainless steel and borosilicate glass don't warp, stain, or degrade over time the way plastic does. Buy once, use for years — which is better for your kitchen and considerably less wasteful than cycling through plastic containers every few months.

Yes — the leakproof seal makes them suitable for carrying in a bag without worrying about spills. If you're specifically looking for something designed for on-the-go eating, our stainless steel lunch boxes and food storage containers are also worth a look depending on your needs.

Under current UK advertising regulations we're not able to make general claims about products being "environmentally friendly" — so we won't. What we can tell you is that everything we make is built to last and designed to replace single-use plastic. For the full picture, read about our approach on our People & Planet page and our Commitments page.

Yes — spares and replacement parts are available in the Accessories & Spares section of the site.

Plastic-Free

Microwave, dishwasher & freezer safe - no plastic in sight!

elephant box glass lunch bowl on pink background with a meal of noodles and egg.

Food stays fresher for longer

Stainless steel and glass is naturally antibacterial & toxin free, plus it's easy to clean & doesn't retain stains or smells.

Meal Prep Sorted

Overnight oats, batch cooking, your healthy snacks organised in the fridge, do it all with our meal prep range.