Product features: 1. Solo Badminton Training Device: This innovative training tool is designed for solo players to improve their skills and enhance their fitness levels. 2. Power and Force Development: The device helps players enhance their power and force by providing resistance during training sessions, allowing them to practice and develop their hitting and smashing abilities. 3. Fitness and Conditioning: This training tool doubles as a fitness companion, as it engages multiple muscle groups and promotes cardiovascular endurance through repetitive movements. 4. Perfect for Home Use: Compact and easy to set up, this training device is Perfect for home use, enabling players to train and improve their skills in the comfort of their own space. Material: Plastic + silicone + nylon colour: As Shown Package Contents: 3 x ball 3 x hook 1 x balance line 1 x elastic string Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.