BLACK + BLUM Lunch Box | Microwave Safe Stainless Steel | 900ml | Leak Proof & Airtight, Durable & Reusable, Stackable Food Storage, Ideal for Meal Prep Batch Cooking, Lunches and Snacks

I love these tupperware boxes. Stainless steel, can go in the over or microwave to reheat, no toxic chemicals or microplastics going into my body. The only downside is that they are a little expensive. They seal, and are leakproof as far as my experience goes. The lid is only secured with a gasket and an airtight lock, so I wouldn't shake them about upside down, but very very good.They're so good that I have a new found love and confidence in this brand that I never knew before, and am looking into more of their products.

I recently purchased the BLACK + BLUM Microwavable Stainless Steel Lunch Box, and I couldn’t be happier! From the moment I opened it, I could tell this is a high-quality product. The stainless steel feels solid yet lightweight, making it super easy to carry to work or outdoor trips.The vacuum-sealed lid is a game-changer - no leaks, no spills, and it keeps my meals fresh all day. I love that it’s microwave, dishwasher, oven (lid excluded), and freezer safe. Cleaning is effortless, and it holds up beautifully over time without bending or scratching.The design is sleek and modern, and the stackable feature is perfect for storing multiple containers neatly. It’s ideal for meal prep, office lunches, or even picnics. I also feel great knowing I’m making an eco-friendly choice by ditching single-use plastics.Overall, this lunch box is practical, durable, and stylish - a must-have for anyone who enjoys fresh, healthy meals on the go. I highly recommend it!

It's a good size and lid seems to stay on when being transported. However, I used it in the microwave and wasnt aware it was to be in there max. 2 mins and I had it in for 3 mins. It was v hot to the touch and the lid had popped open at the corner. There was an odd taste to my food as well - some sort of slight chemical taste, which was a bit concerning but I suppose it may have been due to fact that I'd microwaved it too long! Will come back and report the next time I microwave and make it less than 2 mins to see if it has the same taste.

Looks great and doesn't leak. No problems with using in a microwave but it does get very hot. Really good alternative to plastic.

Nice container - seems leakproof - but not very good for heating up in microwave - takes very long and of course the steel container gets v hot.

These are perfect for my long waits in hospital for snacks.

It's a perfect size for my lunch. Easy to clean and hard-wearing.

I have used this product only a few times and have had several leakage problems. Today I made absolutely sure the lid was securely fastened and left the container sitting at an angle (i.e. not laying flat). When I returned it had leaked. I specifically paid the relatively high price for a leak proof product so am very disappointed by this.

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Une boîte lunch indispensable pour les maladroits. Les boîtes en verre j'en garde un goût amer .je promène mon sac toute la journée et il m'est arrivé de fissuré mon tup .donc c'est une alternative rentable sur le long terme.je recommande.

Top qualité

Excellent mais très cher

Was hesitant to put this in the microwave at first but it seems fine. I just make sure not to set the microwave timer more than 1 minute each turn.Container is light so its good alternative to my glass lunch containers.Not sure what's the grade of the stainless steel in this product is but there's now some discolouration inside the containers after I stored dishes with vinegar.