Freshness that lasts for weeks, not days: BPA free multi-layer design is constructed of durable yet pliable material that creates an airtight barrier around foods, extending freshness and locking in flavorsCustomize length to fit any food you store: Having the option to cut the roll to whatever length you need means no more wasted material or precarious "Doesn't Quite Fit" scenariosIdeal for use with FoodSaver vacuum sealing systems: The sealing strip in FoodSaver vacuum sealers heats to a precise temperature that works specifically with FoodSaver bag material, ensuring you get a secure airtight sealBPA free material: Safe for storing raw and cooked foods, it's also freezer, refrigerator, microwave, and boil safeIncludes (2) 8 X 20 inches heat seal rolls and (3) 11 x 16 inches heat seal rolls