The Hydro Flask 12 Oz Cooler Cup Cobalt features a dual use design hence works as a can or bottle cooler and a 12 oz beverage cup. It includes TPU sleeve locks that works with a wide range of cans and bottles to lock in the cold. It is BPA-free, Phthalate-free and includes durable 18/8 Pro-Grade stainless steel construction. The TempShield™ insulation keeps beverages cold for hours. It comes with lifetime warranty.