Multilayer Design: 3-6 times longer food shelf life, lock freshness, flavor and nutrition inside Safety: BPA-free and safe for storing raw and cooked foods Economic: 5 packs 8'' width, 21.6 feet length. which is108 feet total. Making your own length of bag Versatile Usage: Perfect for food storage, freeze dried meal, sous vide, gardening, tea leaves, documents and electronics FoodSaver System Compatible: Specifically designed to work with the FoodSaver vacuum sealer Package Includes: five 8 x 20' vacuum seal rolls