* HOW IT WORKS - When filled with sand and water, the Blue base will stay fixed on the ground while you can hit the tennis ball
that is tied to the base with an elastic string that will bring it back to you. Try it now and practice all day!
* SOLO TRAINING - Our Fill & Drill builds quickness, hand-eye coordination, and stamina. Will improve your concentration,
athletic ability and develop interests of sports. Easy to use and convenient for training without picking ball, and it is
lightweight and portable, helpful for single person practice
* Anti-slip Trainer Base: There are 3 non-slip stickers to better fix the bottom. The basis of the Tennis Training Tool is a
round disc with an anti-slip layer on the bottom. When placed on the ground, it will not shift quickly during use. The base can
also be used to store the tennis balls and to roll the cord around when not in use
* How to use: Fill the base with water or sand and it instantly becomes heavy enough to hold the unit in place. Non-skid pads
underneath help keep it stable. Training tennis with string , very lightweight, easy to carry. Tie the ball to the base by
rubber band, no need to pick up the balls frequently
* Perfect Gift: Tennis training is a fitness gift for family, children and friends. Suitable for most people. Simple and
convenient aerobic exercise, it is very helpful to reduce fat, relieve stress, and improve the coordination of hands and feet