Igloo 54 Qt Cooler with Ultratherm Foam Insulation and Cool Riser Technology. Built-in Bottle Opener and Drain for Melted Ice. Cool Riser Technology offers an elevated design to promote airflow underneath for improved cooling performance. Ultratherm foam insulation keeps contents cold. Keeps ice 4 days. Wide stainless steel swing-up side handles with comfort grips. Premium stainless steel hinges, latch and hardware for maximum durability. Convenient bottle opener. Triple-snap leak-resistant drain plug for easy draining of melted ice. Contoured lid with stacking slots makes for easy storage or display of multiple coolers.