Extreme heavy duty cooler box. Tough and durable, made of UV resistant food grade material. High density echo friendly polyurethane insulation in body and lid. Silicon gasket seal on lid for air tight insulation. Robust solid steel rod hinge and rubber lid latch. Rugged rope handles. Keeps hot or cold for 3-4DaysDimensions:Outside: (W) 36cm x (L) 53cm x (H) 39cm. Inside: (W) 27cm x (L) 45cm x (H) 30cm