A Copper Silver Touch Glass could be a type of drinking glass made from copper with a silver touch or coating. The silver touch or coating could be applied to the exterior of the glass to give it a shiny, silver-like appearance while still retaining the benefits of copper. Copper is known for its heat conductivity and durability, and can keep drinks cool for longer periods of time. The silver touch could be added for aesthetic purposes or to provide an extra layer of protection against oxidation or tarnishing. It is important to note that if the glass is intended for use with acidic drinks, a food-safe coating may be required to prevent a reaction between the copper and the acidic liquid.