Sertodo Copper CC-12-4 Apa Cup, Hand Hammered 100% Pure Copper, 12 oz, Set of 4 100% PURE COPPER - inherently clean material with strong antimicrobial, antibacterial and antifungal properties CAPACITY - 12 fluid ounces DIMENSIONS - 3.5 inches tall SUPERIOR QUALITY - our hammer polish beats shine, beauty and durability that lasts for generations NO LACQUER - or coating on our copper will wear off unevenly or into your food/drink