This beer mugs inner mug is made of stainless steel, The outer part of the mug is made of high quality resin measures ,food grade, non- toxic,drink safe,durable and hygienicThis Viking beer tankards with 550ml capacity, viking mug 13.5 cm Tall , 8.2cm Cup mouth wide,18cm Cup width ,mug weighs about 700 gYou can use this viking mug to drink anything you want,beer,whiskey, cocktail, coffee, milk or any beverage. The most important is viking tankard not only a drinking cup, but also as decoration, widely used in home, parties, bars and so onPlease do not put them in the dishwasher, because it will ruin your lovely wine glasses. When cleaning, gently rinse the stainless steel inner container, and the outer container can only be cleaned with a damp cloth3D Vivid Gothic Look, fine craftsmanship,which is Halloween and other festivals great viking gift for men.And tankards perfect for halloween parties or any related events