Training Partner: This tennis training set allows for autonomous practice with its automatic feature. You can independently train your tennis skills without relying on a training partner, perfecting your technique anytime.Sturdy Structure: The set includes a sturdy base that ensures stability during training. Made from plastic materials, it guarantees long term use and strong resistance to wear and tear.Easy Installation: Assemble the set easily within minutes with its user friendly design that ensures quick and convenient assembly, allowing you more time to great your tennis skills.Portable and Compact: Whether practicing at home, on the court or in the backyard, the tennis trainer compact design and portability of this set allow you to carry it around for training whenever you want.Multifunctional Use: Tennis practice tool suitable for players of all skill levels from beginners to advanced levels it can be used for various types of training including serving, volleying and baseline hitting to improve your overall tennis performance. Specification: Material: Plastic Size Chart: 20.5cmx20cm or 8.07inchx7.87inch Package Includes: 1 Tennis ball1 Blacl elastic band1 Tennis trainer Note: Please allow slightly errors 1-2cm differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.