Crafted from pure and unlined copper. Pitcher Capacity- 1.5 Lt. (50.7 US Fluid Ounce) | Tumbler Capacity- 350 Ml (11.85 Fluid Ounce) The vessel is not polished, lacquered or coated with anything at all. Just pure copper. Easy to clean and maintain. Use a mix of salt and lemon juice to gently scrub the surface of the vessel with a soft cotton cloth. Rinse it off with regular water. Copper Products Tarnish over time, this is Natural for Copper products. Please follow the care Instruction manual for cleaning Copper products. Sample Copper Cleaning powder and instruction manual is provided with every order. Made in India.