1. Material: stainless steel 2. Color: silver, black, gold, rose gold, rose pink, blue, color, red 3. Process: This product is made of stainless steel, waterproof, sweat-proof, comfortable and easy to use. The material is harmless to human skin and is not allergic. 4. Suitable for wrist circumference: 5.5-8.7 inch 5. Packing: pearl bag
