Koolernaut Beer Chiller Know your beverage is cold enough before you take a sip! The Koolernaut features a stainless steel LCD thermometer and two freezable ice pucks to keep your 12 or 16 ounce cans cold all the way to the bottom. A handy chart is on the back to advise proper temperature for all types of beer. Color: Cyan Dimensions: 4"L x 4"W x 6"H