Tennis Trainer Rebound Ball – 14.1 Ft Retractable String & Heavy Iron Base – Portable & Easy to Use – Tennis Practice for Adults & Kids – Tennis Serve Trainer – Solo Tennis Training Equipment

1.Our String is 4.3 metres=14.1 feet which is longer than others,and we make it wider to be more durable,won't be broken easily. 2.Easy to install and replace,you can see the Video below

• 1.Hi,if you want to buy the replacement ball with string,can search "lianth 3PCS" in Amazon,only $12.99 for 3 PCS high quality balls with string.
• 2. Little-Only a little bigger than a tennis ball,save space,easy for storage.
• 3.Good experience:Anti-winding design,and we use the High Quality ball which is better than others.
• 4.Easy to carry:Can be carried with only one finger.Economic:Iron base,longer lifespan
• 5.Convenience-Weight 2.05LB,no need to fill water or sand,saving your time and your hands will be clean!