100% pure copper without nickel, tin, or other filler metals is plated on the surface to make it rose gold colored and is coated with safe paint, making it rust-resistant. Upgraded Full-loop Triple Grip Handle - The copper cup features a new improved all-ring triple handle that is ergonomic and suitable for a wide hand, making it easy to grip. Hand-hammered Copper Mug - The copper mug is made by hand-hammering, from the application of the handle to the formation of the hammer blow on 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. Capacity: 530ML Type: B: Glossy Mule Cup Color: Gold Material: copper Package Contents: 1 x mule cup Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.