Material:Plastic Capacity: 400ml Descrition: Place the mug upside down in the freezer for 2-4 hours before using. Double-walled freezer mugs filled with gel will keep your drinks cold. The cold liquid inside won't touch your drink, and keep your drinks original flavor and produces an instant ice-cold effect. This is a perfect gift for your buddies, families and friends. Even your non beer drinker friends will surely enjoy this to fit in! Note:Pick Up Only Size:15x9cm