CIMERAC Tennis Trainer,Tennis Equipment,Tennis Ball Trainer,Practice Training Tool Sport Exercise, Tennis Base with A Rope Self-study Tennis Rebound Player with Trainer Baseboard + 2 Training Ball

he Tennis Ball Back Base Trainer is made of quality plastic, sturdy and durable, the bonus rubber rope is highly elastic and wearable with exquisite design and fine workmanship. It can provide stable support for training due to the base has a valve for putting sand or water into it to increase the weight, and the small ring on the side for hanging band, the concave part for placing tennis ball, convenient and practical to use. Great gift for your friends, family members and children who love playing tennis ?In order to ensure more stability, it is recommended to add water and sand, and best to add a heavy object above that make it more stably,no flight occurs. Specifications:Material: Plastic + RubberColor: BlueBase Size: approx.15 * 20 * 5cm / 5.9 * 7.87 * 1.96 inchBall Seat Size (Dia): approx. 6.3cm / 2.48 inchElastic Force of Ball: approx. 1.2m / 3.39 ftElastic Force of Bandage: 4 - 8m / 13.12 - 26.24 ftWeight: approx. 270gPackage Included:1 x Tennis Trainer Base2 x Ball