EchoSmile Coolers are so rough and tough that you can stand on them, throw them around and heck even drive a truck over them and they'll still survive. Materials are nontoxic, tasteless and approved for direct contact with food. Drain Valve design with recessed drain plug ,which make the melted ice flow out easily. Built-in UV resistance helps prevent plastic breakdown and fading caused by sun exposure Ductile box body, firm, durable, storage load-bearing capacity, suitable for sitting and resting. Nylon handle-rope with finger grooves in it, which can be more comfortable to solo or tandem portage.Equipped with non-skid rubber feet, as well as the ability to tie them securely to your boat while still being able to access the contents inside and make it stand firm on any surface. • 3-5 days: When the cooler in outside full with ice, ice will keep 5 to 7 days under 77℉. About 100℉, ice will stay about 3 days. 100% melt will take 5 days at 100℉-104℉.Heavy duty! Built to deliver years of performance. • Easy clean: Drain plug removing excess water, for easy cleaning and care. Installation without tools. • • Anywhere: EchoSmile cooler is perfect for any outdoor and indoor occasion like a barbeque, golf, camping, picnic, sea fishing, backyard party. • Size & capacity: External dimensions: 21"L x 12"W x 13"H. Internal dimensions: 18"L x 9"W x 10"H. It holds 36 cans ((12 FL oz) without ice. With a recommended 2:1 ice-to-contents ratio. •Volume: Holds up to 30 quarts, 36 aluminum cans (12 FL oz).