1. Material: Silicone 2. Color: black orange, gray yellow, white black, black green, black red, black blue, black gray, army green black, blue yellow, orange black 3. Process: This product is made of medical silicone material, which is waterproof, sweat-proof, comfortable and soft. The strap is thickened, comfortable to wear and easy to use. The material is harmless to human skin and is not allergic. 4. Length: 128mm+85mm 5. Packing: opp bag packing
