Weston 8" x 12" Quart Vacuum Seal Bags, 1 Liter, 2 Ply 3 Mil, 30 Bags, 30-0111-W: COMPATIBLE WITH MOST VACUUM SEALER SYSTEMS: These vacuum sealer bags for food can be with Weston®, FoodSaver®, Ziploc® and other heat-seal vacuum sealer systems.* KEEP FOODS FRESH UP TO 5X LONGER: These vacuum sealer bags keep foods fresh up to 5x longer. Reduce food waste and save up to $2,275 per year.** Great for preserving fresh meats and produce, foods bought in bulk, leftovers, and more. BPA-FREE BAGS SAFELY STORE FOOD: The food vacuum sealer bags are safe for freezer, refrigerator, and for sous vide cooking. MARINATE IN THE BAG: Easily boost the flavor of foods by adding your favorite marinades to meats and vegetables and marinating right in the bag. Great for sous vide cooking. MADE OF DURABLE MATERIALS: The bags are made of durable 2 ply, 3 mil thick material to resist punctures and tears.