The Most Effective and Eco-Friendly Food Storage!Minimal s collapsible silicone food container is flexible, leak-proof, lightweight, and unbreakable, offering an ideal storage solution. Its transparent exterior allows for easy content visibility, and its wide temperature resistance (-40ºC to +230ºC) lets it transition seamlessly from freezer to microwave to dishwasher. A built-in steam release valve allows heating with the lid on, and when done, simply collapse the container for easy storage or portability. Made from 100% natural, non-toxic food-grade platinum silicone.100% food-grade platinum siliconeBPA, Bps, Pvc freeBuilt-in steam release valveFDA (Us) and Lfgb (Eu) certifiedFreezer, dishwasher, microwave, and oven safeHeat and freeze resistantPatented leak-proof designAvailable in three colors