Holds a standard 12 oz beer bottle or soft drink can. Maintains the temperature of a cold beverage for up to 12 hr and without outer condensation. 18/8 stainless steel food-grade body, tough polymer cap, mid-section and base components. Anti-microbial treated neoprene strips line the main chamber to hold either can or bottle firmly in place. Double walled, vacuum sealed. Interior copper clad for excellent temperature retention. Base houses a twist top key and bottle opener. Top two components fit together to create a drink base in can mode.