CopperBull Thickest Heaviest Hammered 1 mm Copper Tumbler Set for Water Moscow Mule Ayurvedic Healing,14 Oz (2X) Thickest Heaviest Hammered Copper Tumbler/Tumbler Set. 100% Handmade in Turkey. These are the thickest&heaviest copper tumbers you can find on the internet. Copper Thickness : 1 MM , Copper Weight: 8Oz Approx. Capacity: 14 Oz