EchoSmile rotomolded coolers will stay cold for up to -days at the recommended ice to contents ratio of 2:1. The center insulation is made of polyurethane, providing excellent heat retention and high strength. Silicone seals seal the entire space to avoid heat convection and extend freezer retention. Solid rotating mold freezers and coolers with classic finish colors and natural luster are made of LLDPE material that is safe, environmentally friendly, rugged, and durable, both internally (food-grade) and externally (UV-resistant). Silicon tension latches are not easily broken or automatically loosened. UV inhibitors protect the cooler from sun damage. Non-slip rubber feet help maintain stability. 2 ergonomic rubber shock-absorbing handles on each side help make movement easier. Drain plug allows you to drain water without turning the cooler upside down. Color: Khaki.