Material: Copper Style: Vintage Style: Men's "This product maintenance: 1. Separate storage accessories do not mix with other accessories or hard objects, avoid scratch the surface. 2. Avoid contact with sweat, for a long time to corrosion surface; 3. To take a bath, laundry, please take off the bracelet, avoid direct contact with acid and alkali substances; 4. Use clean water, detergent, and soft brush to recoverable zircon brightness (will not be able to recover after wear away, scratched); 5. Collect please use perspiration and cotton cloth or tissue to remove surface dirt collection in again after sealing bag;"