Set Of 4 Copper Tumblers
Made from stainless steel on the inside, and copper on the outside.
These tumblers are constructed with double-walled copper and stainless material.
Use dish soap and warm water to clean
Do not place into the dishwasher
If oxidation occurs over time, it can be cleaned with a mixture of white vinegar, salt, and flour. Oxidation can be prevented with a thin coat of virgin olive oil or food-safe lacquer.