HEAVY DUTY AND PUNCTURE PREVENTION - 2 pack of 11 inch by 50 feet rolls with embossed channels to increase suction, with BONE GUAEDS to prevent piercing, keep fresh without freezer burn or dehydration | INCREASE STORAGE TIME FOR NUTRITION AND FLAVOR - 3-6 times longer food shelf life, lock freshness, flavor and nutrition inside | WORKS WITH ALL VACUUM SEALERS - work with all suction vac heat sealer, such as Food Saver, Seal a meal, Nesco, Weston, Cabela’s, Ziploc etc. | BPA FREE - Perfect for food storage, freeze dried meal, sous vide, gardening, tea leaves, documents and electronics | GREAT VALUE WITH FREE BONE GUARDS - more affordable, greater value with 5 puncture prevention bone guards included