Li-Ning's No. 7 Classic badminton string is a timeless essential for your racket. With its exceptional durability, it ensures a soft hitting sensation & a premium feel. Crafted with a high polymer and nylon filament core, complemented by heat-resistant, high-intensity nylon on the outer coat, it guarantees optimal performance. The No. 7 Classic features Li-Ning's innovative Deep-Re-Dipping technology has an improved impact on durability and tension retention. The hit-absorbing coating provides a satisfying hitting experience. Elevate your game with the No. 7 Classic - where tradition meets technology.