100% Pure Copper Mug 16OZ Solid Smooth without Inside Liner 
 
The cup is made of  99% copper!
The type of the copper is red copper, better than brass copper!
Material test and double checked.
 
Features:
Made of pure solid copper, no nickel, tin or steel
Classic and elegant design, 16oz  is perfect for cocktails
A real copper mug frosts up in seconds! These mugs get COLD – REALLY cold. 
Super refreshing 
 
Specification
Material: 100% copper food contact safe
Capacity: 16oz 480ml
Size: dia 82mm,height: 90mm, ( width12.5cm handle included)
Weight: 140g