Tennis Trainer Rebound Ball with String, Portable Tennis Equipment/Device for Self-Practice Tennis Ball, Solo Tennis Practice Rebound replaced ball with elastic black rope - Only one replaced ball
【Elastic Black Rope】The elastic black string with the ball helps to draw the ball back when you hit it far. It is 4 meters long and you have enough space to play. You can replace the string separately.
【High Quality】The surface contains 25% wool, and the middle layer is a wear-resistant layer, as well as the inner tank is a latest upgraded rubber, which make this ball better quality.
【56.7-58.6 Grams】The ball weight is suitable to bounce between 2.35 meters and 1.47 meters when falling from a height of 2.54 meters.
【1Ball】This is one ball link for the solo tennis trainer to provide more replaced balls for your practice.
【Customer Service】If you have any problems to use this ball, please click contact seller besides your order. We provide 7X24 customer service for you.