It's time to rethink plastic. Fun. Functional. Reusable. Responsible. Stasher’s 100% pure platinum food grade silicone bags are the healthy alternative to plastic. And just plain smarter. Stasher is made from 100% naturally healthy materials. Stasher is a patented, award-winning design that is eco-friendly, environmentally safe, and long-lasting. Stasher's airtight seal locks in nutrients, flavours, and juices so your food always tastes fresh and delicious. Once your contents are in the bag, burp your bag to remove air and fold over and use pinch-lock seal to make airtight closure. Features: 100% pure platinum silicone, Non-toxic, Pinch-loc™ seal, endlessly reusable and you can Write on it!