Our unman is an insert that holds your skinny, sleek, thin, or slim beverage (Red Bull, Michelob Ultra, Limarita, V8 Fusion) can in place while utilizing the many varieties of 12 oz. can coolers, such at the Yeti Rambler or the RTIC Can Cooler while still maintaining the same cold temperature. Our LilCannBuddy fits into any of the can coolers (YETI STYLE) on the market today.