Single rope tennis trainer with ball and rope novice self-study high elastic tennis base device high elasticity trainer Main Features TRAINING WITHOUT COMPANIONTrain anytime and anywhere when you want. It features everything a Tennis Player absolutely needs. Take your Tennis Skills to a high level in no time. FINE DESIGNIt can provide stable support for training due to the base has a 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 a tennis ball, convenient and practical to use. EASY TO USEEasy to use and convenient for training without picking the ball, and it is lightweight and portable, helpful for single person practice. Also, it could improve your concentration, athletic ability and hand, and eye coordination, and interests of sports. GIFT FOR KIDSchildren can exercise at home, at the same time play with parents to increase emotions, to prevent children from playing too many electronic products to hurt their eyes. Specification MaterialsABS Trainer Base Size : 20CM 14CM 5.5CM Package Contents Trainer base 1 Training ball 1 Note Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture.