Mitzuma Tennis Trainer Rebound Ball And Baseboard

Features: - The anti-skid mat on the base can effectively prevent the movement of the trainer during tennis training. - The whole ball is made of rubber and wool with lower inflation. Very wear-resistant, suitable for hard use - including cement ground. - The tennis trainer base has a valve, which can be filled with water or sand to increase the weight when used, making the base more stable.

Specifications: - Color: Blue - Material: Plastic & Rubber -Width: about 21cm - Thickness: about 5cm - Rope length: about 270cm

How to use: - Fill the base with water or sand. - Tie the tennis ball with string to the base. - Slightly hit the ball upward to prevent the ball from being pulled back to the ground by the rope.