When comparing Kosox Original Oxford Lunch Box vs BentoHeaven Leakproof Bento Box, the Slant community recommends BentoHeaven Leakproof Bento Box for most people. In the question“What are the best bento boxes for backpacks?” BentoHeaven Leakproof Bento Box is ranked 2nd while Kosox Original Oxford Lunch Box is ranked 3rd. The most important reason people chose BentoHeaven Leakproof Bento Box is:
They are fitted with silicone sealed lids, making them one of the best-sealed bento boxes out there.
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Pros
Pro Light thermal insulation
It will keep your food warm or cold for longer than a regular bag.
Pro Easy to carry anywhere
It can be carried both using its handle or its adjustable shoulder strap.
Pro 100% leak proof
They are fitted with silicone sealed lids, making them one of the best-sealed bento boxes out there.
Pro Free extra recipe book
For your purchase, you get a free book: Effortless Bento: 300 Japanese Box Lunch Recipes.
Pro Easy to clean
Smooth inner surface, which is also dishwasher-safe.
Cons
Con It doesn't fully open
Zippers only open half way, so It might be hard to fit some things bigger than sandwiches.
Con Not the best build quality
On Amazon, there are several complaints about torn interiors after only a few months of use.
Con The utensils are not hold into place
They tend to dance all around inside the box, making annoying rattling sounds.
Con Small, undivided inner compartments
There are no inner divisions in the compartments and they aren't big enough for regularly sized plastic containers.
Con The box strap may stretch with too much use
If that happens, the sealing will become ineffective.