Vacuum sealer bags rolls help to increase food storage time, lock in Freshness, Flavor and Nutrition Two layers 4 mil heavy-duty Vac Seal Bags with double-side embossed air-removal channels, Excellent vacuum property 2 Pack 11 inches x 50 Feet food storage saver bags rolls can be cut into any sizes you need, Compatible with all commercial and household Vacuum Sealers food vacuum sealer bags are stable for heat and cold, Boilable, Freezable, Microwave and Dishwasher Safe. DOUBLE SEAL WET FOODS Food safe and BPA free vacuum seal bags are suitable for Vegetables, Fruits, Meat products, Sea foods, household food storage, etc NOTICE: Plant cell respiration can produce carbon dioxide in the bag. It seems that the bag leaks air or not sealed if you store raw vegetables or fruits. IT'S NOT A PROBLEM OF BAGS WishDirect vacuum sealer bags are made of advanced composite material, BPA free. Special structural characteristics innovation offer them ideal vacuum property, they will keep your foods fresh and expand foods lifespan.