Product name: Self study Badminton Trainer Product size: 1size Product color: As shown in the figure Product material: Plastic, silicone, nylon 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 ideal for home use, enabling players to train and improve their skills in the comfort of their own space. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Shipment includes: 1 set Self study Badminton Trainer (ball*3,hook*3,balance line*3,elastic string*40)