The world's first fully functional, self-sealing, reusable alternative to single-use plastic bags. Plus, unlike traditional single-use plastic bags, Stasher bags contain no BPA, no PVC, and no latex. Keep your food safe from contaminants in Stasher bags. Each Stasher eliminates thousands of single-use plastic bags from ending up in our oceans or landfills Features the innovative air-tight Pinch-Loc TM to keep food fresh to store, marinade, and sous vide. Keep your food’s nutrients, flavors and juices locked in. Just burp your Stasher to remove excess air and pinch the seal closed. Platinum food-grade silicone is safe for use in the freezer, microwave, dishwasher, boiling water, and oven up to 425 degrees Fahrenheit.