100% pure copper without , tin or other filling metals is plated on the to rosy golden and is coated with safe paint, making it rust resistance Upgraded Full-loop Triple Grip Handle - Copper cup adopts new improved all-ring three-handle which is ergonomic and suitable for a wide hand, making it be easily grasped Hand Hammered Copper Mug - The copper mug is made by hand hammering, from the application of the handle to the formation of the hammer point of the cup Keep Your Beer And Cocktail Cold - Our mugs are the best containers for beer and cocktails, and can keep your beer and cocktail cold for at least 2 hours