FoodSaver bags and rolls keep food fresh three to five times longer than ordinary freezer bags. This Combo Pack delivers over 100 ft. of bag material that locks out air and moisture and seals in freshness, preventing freezer burn. The rolls allow for custom-sized bags with a unique design that maximizes air removal and resists punctures and tearing making it durable for long-term freezer storage. The heavy-duty material offers multiple layers of protection. These rolls also work with Seal-a-Meal Vacuum Sealers.