FRESHNESS THAT LASTS FOR WEEKS, NOT DAYS: BPA-free multilayer design is constructed of durable yet pliable material that creates an airtight barrier around foods, extending freshness and locking in flavors PRECUT BAGS OFFER MAXIMUM CONVENIENCE: Quickly and easily portion food from bulk shopping or when storing leftovers. Just add food to the bag, insert the open end in a FoodSaver vacuum sealer, and the machine takes care of the rest IDEAL 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 seal BPA-FREE MATERIAL: Safe for storing raw and cooked foods, it's also freezer, refrigerator, microwave, and boil safe