Material: Copper Length: approx. 48 cm Clean with natural soap, a soft sponge, and room temperature water. Do not expose to direct sunlight. Copper discolors due to natural oxidation. The material may also show stains. These are both natural properties of copper and have no negative effect on it. There may also be irregularities in the material: this is part of the natural properties of copper. Handmade in India.