Unleash your game with our top-tier badminton string NS50, featuring a 0.70mm diameter for an ultra-crisp impact sound and a sharp hitting feel.The string features a core made from heat-resistant and high-intensity Nano Braided Multifilament, while the outer layer is crafted from heat-resistant and high-intensity Nylon. The outer coating utilizes Nano Boost Nylon Resin for added strength.