Tennis Ball Back Trainer,Tennis Training Ball Practice Balls Back Base with Rubber Elastic Rope for Single Person Practice

• SELECTED MATERIAL: The base is made of quality plastic, sturdy and durable, the bonus rubber rope is highly elastic and wearable.
• WITH VALVE: The base has a valve for putting sand or water into it to increase the weight so as to provide stable support for training.Great accessory for tennis training, can help to perfect skills of tennis.
• IMPROVE YOUR TENNIS SKILLS: The small ring on the side is for hanging band, and the concave part for placing tennis ball, maximise your speed and cardio to improve all your strokes.
• CONVENIENT FOR USE: Easy to use and convenient for training without picking ball, lightweight and portable, suitable for many places like garden, park, etc.
• MORE PRACTICAL FOR TENNIS LOVERS: Also it could improve your concentration, athletic ability and hand and eye coordination, and develop interests of sports.

Features: SELECTED MATERIAL: The base is made of quality plastic, sturdy and durable, the bonus rubber rope is highly elastic and wearable. WITH VALVE: The base has a valve for putting sand or water into it to increase the weight so as to provide stable support for training.Great accessory for tennis training, can help to perfect skills of tennis. IMPROVE YOUR TENNIS SKILLS: The small ring on the side is for hanging band, and the concave part for placing tennis ball, maximise your speed and cardio to improve all your strokes. CONVENIENT FOR USE: Easy to use and convenient for training without picking ball, lightweight and portable, suitable for many places like garden, park, etc. MORE PRACTICAL FOR TENNIS LOVERS: Also it could improve your concentration, athletic ability and hand and eye coordination, and develop interests of sports. Specification: Material: Plastic + Rubber Color: Blue Base Size: approx.15 * 20 * 5 cm / 5.9 * 7.87 * 1.96 inch Ball Seat Size (Dia): approx. 6.3 cm / 2.48 inch Elastic Force of Ball: approx. 1.2 m / 3.39 ft Elastic Force of Bandage: 4 - 8 m / 13.12 - 26.24 ft Weight: approx. 270 g Package List: 1 * Tennis Trainer Base 1 * Ball with Rope Note:Stopper style is shipped randomly and make sure you will not mind before ordering.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.