Ultratherm - fully insulated for advanced cooling performance. Ice retention up to 7 days in temperatures at 90F. Ultraviolet inhibitors protect against sun damage. Stainless steel screws are rust resistant. Marine-grade extended life hinges. Non-slip comfort grip handles. Integrated fish ruler on lid. Threaded drain plug. THERMCOOL Foam - cleaner eco-friendly solution. 150-Quart capacity holds up to 248 cans.