Tourna Fill 'N Drill Tennis Trainer, Youth Practice Training Aid

Fill-N-Drill Tennis Trainer: Great teaching tool for beginners and intermediate players. Ball is attached to a durable elastic cord, rebounds back after being hit. When filled with water, the base becomes heavier than any other tennis trainer on the market. Very light when empty, it can be stored in players bags and taken along. Elastic compression rubber cord winds around base and ball fits securely into base pocket.

• Tennis Trainer
• Strong rubber cord returns the ball. 
• Non skid base. 
• Can use on clay courts. Just drive spike into court and position handle over the spike. 
• When filled with water, it's heavier than concrete filled trainer. 
• When empty it can travel with you. 
• Practice will improve your game!