This Waring WCVQT50 7" x 11" 1 qt. chamber vacuum packaging pouch set helps you to keep foods fresher for far longer than normal storage methods. Designed to work with chamber-style vacuum packaging machines like Waring's WCV300, these bags are great for packaging all kinds of foods, including liquids and liquid-rich foods like fresh meats, soups, stews, and marinades. Each pouch has a 7" open end for sealing, and it is made of 3 mil polyethylene and nylon for superior durability. The bags can be boiled or used in the freezer or the microwave, making them a versatile storage solution for a wide range of products.