It's not at all entirely leakproof. During our leak screening, some water escaped the silicone seal, and when we opened the gasketed lid, drops sprayed because the suction unveiled. Thoughtfully built and spacious. Appropriately sized compartments in bento containers support hold meals tidy, and provide House for dressing or toppings. https://lunsjlevering78912.pages10.com/a-review-of-lunchbox-68023821