The Titan Deep Freeze 48 Can Zipperless Cooler keeps ice up to 3 days * The exterior includes our patented, flip-open Zipperless lid for quick access to food and drinks as well as an insulated front pocket. The interior features Deep Freeze high performance insulation with radiant heat barrier and a removable HardBody liner with SmartShelf . The SmartShelf allows you to keep hard stuff like drinks separate from soft stuff, so sandwiches and other soft foods dont get crushed. If you want to use the entire liner, the SmartShelf easily removes to provide one large compartment. Designed for convenience and usability, this cooler also features an adjustable Backsaver shoulder strap with shoulder pad and Rhino-Tech exterior material that is tough, water and stain resistant and easy to wipe clean.