Product size about : Tennis ball: 6.6cm/2.5'' Elastic cord length: 400cm/157'' Base: 20.5*20*5cm/8.07*7.87*2'' Product color: As shown in the figure Product material:ABS product features: Tennis Solo Practice Tool: This tennis trainer will help you improve your tennis skills. Whether you are a beginner or an advanced player, it provides unlimited practice time and provides stable returns every time. Portable and Versatile Design: This tennis practice ball returner is easy to set up and can be used anywhere, backyard, local court, or even park. Its compact size makes it perfect for practice anytime, anywhere. Sturdy Material: This tennis training ball returner is made of Sturdy materials and is Sturdy and can withstand frequent use. The base is made of ABS material, the elastic rope has been tested and can be reused, and the included tennis ball is perfect for long-term training. Suitable for all levels: Whether you want to practice your forehand, backhand or improve your volley, this tennis ball returner is suitable for players of all levels. Convenient and Easy to Use: Just place the self-taught tennis practice ball with rope on the base and you can easily practice your shots. Its easy-to-assemble design means you can spend more time practicing and less time setting up. 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 contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set Tennis Trainer