Li-Ning No. 7 Boost Badminton String Li-Ning’s No.7 Boost is a premium staple for your prized racket. An ultra-durable string, it promises super durability and a soft hitting feeling. The core of the string is made of high polymer and nylon filament. The outer part of the string is made of heat resistant and high-intensity nylon. This string comes engineered with Li-Ning’s Deep-Re-Dipping technology that helps improve durability and prevent loss of tension. The string is coated with compound nylon that gives you a fantastic hitting feeling. Reviews There are no reviews yet. Be the first to review “Li-Ning No. 7 Boost Badminton String” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.








