FoodSaver Gallon Vacuum Zipper Bags feature an expandable bottom for easy filling, and are ideal for use with your FreshSaver Handheld and MealSavervacuum sealing systems. The bags are great for deli meats, cheeses, leftovers and other refrigerated foods that you access daily. Preserve and protect with FoodSaver bags designed with channels that allow complete air removal. Multi-ply construction blocks moisture and oxygen and makes the bags strong enough to simmer and microwave.