Weston 8 in. x 12 in. Quart Vacuum Seal Bags are compatible with Weston, FoodSaver, Ziploc and other heat-seal vacuum systems. Preserve fresh meats and produce from the garden, or use the bags to individually package items purchased in bulk or to save leftovers. Large quart-size bags are also great for storing dried foods, protecting documents, and for keeping valuables, emergency supplies, firearms, and many other items dry and sealed until ready to use. BPA-free material is safe for the freezer, refrigerator and sous vide cooking. Easily boost the flavor of foods by adding your favorite marinades to meats and vegetables and marinating right in the bag. Cook perfect steaks, fish, pork, eggs and other foods in these bags in the sous vide cooker. The 2-ply, 3 mil construction resists tears and punctures. The box contains 66 pre-cut vacuum sealer bags. Material: Plastic.