FoodSaver 8" and 11" Heat-Seal Rolls let you create custom-sized bags to package and protect food and non-food items using your FoodSaver Vacuum Sealing System. Made from the exact same material as our bags, FoodSaver Rolls give you great flexibility. Simply cut a piece to your desired length, seal one end, fill and then vacuum seal. Channels and multi-layer construction blocks moisture and oxygen and makes the bags strong enough to simmer and microwave. BPA-free.Multi-pack contains 3 count 11" x 16' rolls and 2 count 8" x 20' rolls Multi-ply material prevents freezer burn Specially designed channels block oxygen and moisture to maximize air removal BPA-free Simmer and microwave-safe