The 5 in 1 versatile design fits a beer bottle, a 12 oz Slim or Regular Can plus it serves as a smoothie maker or travel tumbler. Includes a screw on insulator ring to secure cans or bottles. Stainless steel and double-walled vacuum insulation keeps ice cold for 8 hours and beer beverages 20x colder than a normal neoprene can cooler for refreshment until the last drop.