Swiss mug

The Swiss Elite Master series has vacuum insulation and is made of double-walled 18/8 stainless steel. The powder-coated black color is made to last! No fading or cracking here! The inner wall is coated with copper for ultimate conductivity to keep drinks hot for 8 hours and cold for 24 hours. sealable leak-proof drinking cap and hand-washable. Capacity 300 ml.