UltraSource Gold Foil Vacuum Chamber Pouches, 4 mil, 10" x 15" (Pack of 100) NOT COMPATIBLE WITH FOOD SAVER SEALERS Use with a chamber vacuum sealer (not FoodSaver compatible) to safely package and store meats, cheeses, vegetables, and grains Chamber sealing locks in freshness, flavor and nutritional value while extending food storage time Durable 4 mil thickness keeps your product safe and leak-free during cooking Unique gold foil material gives your product the look of upscale packaging