Self Training Tennis Tool

description":"This tennis training tool set includes a base board and a tennis ball with elastic string, perfect for training your tennis skill without having to picking ball. Features: Training tennis ball with elastic string improves stroke action and tennis skills. Small ring on the side for attaching the string. Put water, sand or anything heavy into the baseboard to make it heavy enough to provide stable support for training. Made of plastic, sturdy and lightweight. Convenient for training without picking ball. Specifications: Material: Plastic Baseboard Dimension: 22 * 14.5 * 5.3cm / 8.7 * 5.7 * 2.1in Baseboard Weight: 81g / 2.8oz Total Weight: 165g / 5.8oz Package List: 1 * Baseboard 1 * Tennis Ball with String