Stasher is a self-sealing alternative to plastic food bags and containers. Stasher are BPA free and made of silicone. You can cook in them, freeze them, use them in the oven, in sous vide and even put them in the dishwasher.
Made from natural elements sand and oxygen, stasher platinum food grade silicone is as pure as glass, durable, non toxic and temperature resistant. They can be used thousands of times saving plastic going into landfill.