Master Your Game Anytime, Anywhere. Looking to take your tennis skills to the next level? Whether you're a beginner or a seasoned pro, this is your perfect practice partner! Forget about waiting for a partner or booking court time—now you can train anytime, anywhere. Features: The tether cord is connected to a base that serves as an anchor, allowing the ball to bounce back for another volley! Made of high-quality materials, it has strong, durable, and designed to take powerful shots! Super-easy to use, simply fill the base with water to give it weight to counter the ball’s motion. Its lightweight construction, when empty, allows you to bring it with you anywhere you’d like to practice! The Tennis Trainer gives you the freedom to practice anytime, anywhere, and all by yourself! It’s a perfect training tool for both novice and professionals alike. Free yourself from the hassle of the need to go to the tennis court to practice your volley and hot. Save money from having to pay for automatic ball throwers. Get yourself a Tennis Trainer now, and free yourself from unnecessary expenses, a training partner, or a restricting training environment. Specifications: Material: PE Color: Blue Rope Length: 3.8m (stretch to 7-8m) Capacity: 1.1L (filled with water or sand) Package Includes: 1 * Solo Tennis Trainer (ball+base+elastic rope)