Product Name: Blue trainer base (no ball and rope)
Product Description: can be filled with water or sand， lightweight and durable. The base for training.
Baby profile:
1 not subject to site restrictions， moderate amount of exercise， do not frequently pick up the ball.
2 it is suitable for the city office， the old people in the community to exercise the body， the school， the entertainment place and the youth recreational activity or the amateur.
Many friends will ask， how to use the tennis training base?
Answer: first of all to the base filled with water / sand， directly on the ground， and then the other end of the rope tied to the tennis training， tennis and then tossed in with a racket， tennis， down from 45 degrees out!!!