his tennis trainer will become your loyal training partner, because it is equipped with high-elastic rebound tennis ball that can catch your ball well. Want to train anytime, anywhere? This tennis trainer is small in size and light in weight, and can be easily carried to any place you want to train. Too boring to stay at home? Maybe you can use the tennis trainer for some simple entertainment. It will accompany you to spend a pleasant leisure time. Want to give your Kid a unique gift? You can take this tennis trainer home and use it as a fun sports toy for your children to increase their interest in sports. Features: *No limited by the venue, no need to pick up the ball frequently *Suitable for entertainment activities or daily training for tennis amateurs. *Product size: 8.07x7.87x1.96 inch *Product weight: about 220g how to use: 1. Fill the base with sufficient water or sand 2. Tie the tennis ball with string to the base (anti-wrap hook) 3. Hit the ball 45 degrees upwards to prevent the tennis ball from being pulled back to the ground by the elastic rope If you have any questions, please feel to contact us, we will listen carefully and solve your problems