The ProMaxx 20-Quart Sportsman Cooler has a rubber gasket to seal in contents and block out heat. The rubber latches secure contents with thick, durable construction. It has a built-in hinge rod for long lasting strength, and a built-in ruler for measuring fish and game or other projects. It also features secure locking capability and a bottle opener. It has a pressure release valve for easier lid opening/closing, a convenient drain plug, non-slip padded feet, and an easy carry aluminum handle with comfortable grip.