【SAFE】: The interior of this 3D Viking Skull Tankard mug is made of 304 stainless steel and the exterior of the mug is made of high quality resin. Food grade, non-toxic, safe, durable, hygienic [3D Skull Design]: Fun 3D gothic look, medieval warrior style mug, raft art, modern decoration for party, home, office. [Easy to use and clean]: The resin mug is made of smooth and strong stainless steel, and our beer mug design is designed to make it easy for customers to use or clean. You can easily clean the inside by hand. Leaves No Dirt [Large Capacity & Versatile Design]: This 3D Viking Skull Blackjack has a capacity of 300-400ml. Large enough beer or wine, you can also use it for milk, cocoa, coffee cups, coffee, whiskey and cold drinks [Perfect Gift]: Realistic 3D creative design of the skull, this skull mug is perfect as a medieval gift and skull collection, the best gift for friends and family, perfect for Halloween and other festivals.