Features: 1.4m rubber rope, good elasticity and long service life. 2.Multi-purpose tennis trainer ball for practicing any tennis skills Perfect for working out with elastic rubber rope. 3. No tennis partner needed. You can train your tennis at any time. 4.Especially for tennis players to improve stroke action, footwork, and striking control. 5.Great teaching tool for beginner and intermediate tennis players, suitable for indoor and outdoor training and practice. Specifications: Condition: 100% Brand New a>Item Type: Tennis Ball String Material: Rubber String Length: Approx. 4m / 13.1ft Product Size: Approx. 6 * 6 * 6cm / 2.4 * 2.4 * 2.4in Package List: 1 * Tennis Ball with StringNote: 1. Please allow slight deviation due to manual measurement. Thanks for your understanding. 2. Item color displayed in photos may be slightly different from actual objects since monitors are not calibrated same. Please take the real deal.