The new Tai Tzu Ying Collection is themed around "Infinite," symbolizing Tai's indefinable and boundless influence. The collection features white and magical purple, accentuated with royal gold, presenting Tai's exclusive badminton gear, including racket, shoes, bags, apparel, and headband. Product Description COLOR White Weight / Grip Size 4U / G5 String tension LBS ≦31 lbs(14kg) Frame Material High Resilience Modulus Graphite+HARD CORED TECHNOLOGY Shaft Material High Resilience Modulus Graphite+ PYROFIL+6.5 SHAFT Response   Made in Taiwan   Product Details Product Technologies: POWERBOX:  The box-shaped design effectively increases the stability and anti-torque, can stand higher string tension.   PYROFIL:  Pyrofil carbon fiber and its composites, are advanced high-performance materials from Japan.  The characteristic of high intensity bounds ultra-light offers racket excellent shock-absorption and enhances control. Hard Cored Technology:  Inspired by military helicopter, multi-layered structure made by carbon fiber and composites, minimize material size, reinforce handling feel and performance at a critical standard. Anti-Torsion System:  The shaft is key to power transmission, and that's why VICTOR has been committed to developing better shafts.  Through the combination of highly resilient materials and innovative design, VICTOR has created the best shaft ever with incredible anti-torsion performance and resilience. Tri-Formation:  Different frame structures-including Power-Box, Diamond, Aero, and Aerdynamic - are rearranged and integrated based on computer simulation to optimize the hitting, frame characteristics, and overall performance.   Victor | TKTTYA | TK-TTY-A | TKTTY-A | TK TTY A | TK-TTY A  | Limited Edition |