Durable, high capacity and ability to hold full, 1/2 and 1/3 size food pans make the UPCW400 a caterer's favorite. The tough, one piece, polyethylene shell is filled with thick polyurethane foam insulation. Durable nylon latch and air-tight gasket helps retain temperature. Door opens-a full 270° for easy loading and unloading. UPCW400 includes four 5” casters that are manufactured with impact plates to hold casters in place.