Heavy-duty blow-molded construction provides advanced durabilityExtra-thick foam walls & insulated lid provide four days of ice retention at 90°F (tested at 90°F in controlled test conditions)Durable, rubberized lid T-latches provide a secure closure & lock in the coldTriple-point grab handle features stainless steel reinforcement & rubber gripThreaded drain plug gives you the option to hook up to your water hose for easy draining