This is the BMZ "T4 Functional Insole for Racket Sports." Designed for racket sports such as tennis, badminton, and table tennis, it protects the foot arch while providing a firm grip on the ground. * Brand: BMZ * Size: T4 (26.5-27.5cm) * Features: Reduces stress on the feet and supports a smooth first step. * Application: All racket sports Although unused, it has been taken out of the box once for photography. When shipping, due to size constraints, we will fold part of the box for packaging. Please understand this before purchasing. Please refrain from purchasing if you are concerned about minor details, as this item has been stored at home. We appreciate your understanding of home storage. *Please refrain from price negotiations.