Features:

• The tether cord is connected to a base that serves as an anchor, allowing the ball to bounce back for another volley! 
• Made of high-quality materials, it has strong, durable, and designed to take powerful shots!
• Super-easy to use, simply fill the base with water to give it weight to counter the ball’s motion.
• Its lightweight construction, when empty, allows you to bring it with you anywhere you’d like to practice!

• The Tennis Trainer gives you the freedom to practice anytime, anywhere, and all by yourself!
• It’s a perfect training tool for both novice and professionals alike.
• Free yourself from the hassle of the need to go to the tennis court to practice your volley and hot.
• Save money from having to pay for automatic ball throwers.
• Get yourself a Tennis Trainer now, and free yourself from unnecessary expenses, a training partner, or a restricting training environment.

Specifications:

• Material: PE
• Color: Blue
• Rope Length: 150 inches (stretch to 275-315 inches)
• Capacity: 1.1L (filled with water or sand)

What you get:

• 1 x Tennis Self-study Device