Material inner aluminium, outer rolling steel. Size outer: 30×23.5x36cm, inner: 26.5×18.5×24.5cm. Packing Each pc in a outer carton. 35.5×29.5×41.5cm, 1set/ctn. W 3.2kgs/2.80KGS. 18 Can Capacity: Compact ice chest has a generous 13 L /14 quart capacity that holds up to 18 cans or 12 bottles of your favorite or beer soda; fill with pre-chilled items and ice for maximum cooling. Built-In Bottle Opener: This cooler features a bottle opener conveniently attached to the outside so you don’t have to scramble or search when you want a cold one. Eco-Friendly Cooling On the Go: Environmentally-friendly cooler features premium insulation and a self-locking handle to keep your drinks and snacks cool without electricity.