Hefty OneZip Freezer Bags Quart, 18 Count (Pack of 4) 72 Bags Total Case of four boxes, each containing 18 1-Quart freezer bags (72 total bags) Durable bags help protect food from freezer burn Easy-to-use; no need to pinch or line up tracks -- just slide the bag closed One Zip slider locks in place to keep bag secure and closed every time Ultra-strong and durable, Hefty products are made by Illinois-based Pactiv Corporation