Hefty Gallon Storage Bags. Stronger seal. Than Ziploc bags*. *When shaken, dropped or stacked. Maxlock track design. Extra strong seal. Easy to open or close. In one simple sliding motion. Clicks Close. So you know it's Closed. Zipping sound. Indicates the seal is secure. 100% Recycled Paperboard. Please recycle. Reynolds Consumer Products. When communicating about this particular product, please include end flap with the embossed numbers, or laser printed white numbers and the UPC bar code located on this panel. Ziploc is a registered trademark of S.C. Johnson & Sons, Inc. 2013 Reynolds Consumer Products Inc.