Copper mug with a stylish design that beautifully presents your drinks. - Material: Copper - Color: Copper - Brand: COPPER 100 TONE WARE Thank you for viewing. Made of copper, it gets ice-cold, making it perfect for iced coffee or alcoholic beverages in the coming season. The inside bottom has some discoloration, so it's offered at a reduced price. It's durable, so you can use it outdoors too!