HEAVY DUTY AND PUNCTURE PREVENTION - 2 pack of 11 inch by 50 feet rolls with embossed channels to increase suction, 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, NutriChef, Nesco, Weston, Cabela’s, Ziploc etc. BPA FREE - Perfect for food storage, freeze dried meal, sous vide, gardening, tea leaves, documents and electronics QUALITY GUARANTEE FROM NUTRICHEF- We stand behind our products and implement “no questions return policy” with no hassle