Package Includes 4 pieces 12oz Slim Can Cooling Sleeves. </br>Fits most 12oz Slim Can Energy Drinks, 12oz Slim Beer Can, 12oz Slim Soft Drink Can, 12oz Slim Iced Tea Can, 12oz Slim Mineral Water Can, 12oz Slim Juice Can.</br> Made of 1/8" (3mm) neoprene material .