· Food-grade silicone is for use in the freezer, microwave, dishwasher, boiling water, and oven up to 400 degrees · Fully functional, self-sealing, reusable alternative to single-use plastic bags. Plus, unlike traditional plastic bags,The bag contain no BPA, no PVC, and no latex. Keep your food from contaminants in bags· Each eliminates thousands of single-use plastic bags from ending up in our oceans or landfills· 1 x bag· They have four colors for you to choose from to meet all your needs· Features the innovative air-tight, pinch-loc seal to keep food fresh to store, marinade, and . Keep your food’s nutrients, flavors and juices locked in. Just burp your Stasher to excess air and pinch the seal closed