Specifications: When training with free weights, proper support is essential for injury prevention and long-term success Easy to use Use 3.8cm cotton webbing and made of high-strength nylon webbing. 5.5mm SBR diving cotton, comfortable to use. 5mm diameter weld nickel-plated metal buckle, high level of corrosion protection, rust. Left and right symmetrical design + Power wrist band combo trip Color: Black Material: Nylon+CottonWhen training with free weights, proper support is essential for injury prevention and long-term success Easy to use Use 3.8cm cotton webbing and made of high-strength nylon webbing. 5.5mm SBR diving cotton, comfortable to use. 5mm diameter weld nickel-plated metal buckle, high level of corrosion protection, rust. Left and right symmetrical design + Power wrist band combo trip Color: Black Material: Nylon+Cotton