Rotomolded Thermoplastic One-piece Construction, More than 2inch ultra-thick insulation board, Silicone sealing ring on the lip. All the features make the cooler keeps Ice for up to 7 Days. Design with the 2 built-in cup holders, which is convenient for Camping, Picnic, BBQs, Fishing, and Traveling, The fish rule on the lip is designed for the angler. There is a drain outlet with a plug as well. You can remove water without turning the cooler upside down. Polyethylene+PU materials+Polyethylene make the ice chest not only lightweight but also tough. You can use it as a seat. The weight capability is more than 310 lbs. Polyethylene is safe and environmentally friendly, totally food grade. The external size is 22.5" x 17" x 18”. The internal size is 16.5" x 12” x 14.4”. With 40 QT capability, the hard cooler can hold up to 48 aluminum cans (12 FL oz).