Product name:Bounce Back Tennis Ball Product size about : As shown in the figure Product color: As shown in the figure Product material:pvc product features: -Single player effective practice: Rebound tennis is an ideal tennis rebound trainer designed specifically for single player practice. This excellent training equipment comes with a strong ball and elastic rope, allowing beginners to improve their skills without the need for a partner  -High quality and durability: This tennis guidance machine is made of high-quality PE material, with thick rubber lining and elastic nylon rope to ensure optimal performance and lifespan. Use our specially designed equipment for continuous use and experience effective rebounding  -Clever and convenient design: Our tennis training equipment kit has a semi-circular groove on the top for easy storage of the ball when not in use. The unique annular groove design prevents entanglement of elastic threads, making users worry free and simplifying storage  -Portable and Versatile Use: With its hollow structure, the tennis bounce back trainer allows you to easily remove water or sand for lightweight transportation. Perfect for outdoor training in parks, tennis courts, or backyards, this trainer will enhance your juego de tenis while providing a fun way to exercise  -AFTER-SALES SUPPORT: If you have any questions or concerns about our products, please feel free to contact us. We will be happy to serve you and ensure your satisfaction. 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. Package Included: 1 set Bounce Back Tennis Ball