Features:

• 【Resistant And Stable】The base of the tennis training equipment is made of high quality polyethylene plastic. Once full of water or sand, the non -slip strip will set the base so that it does not slide. 

• 【Training Alone】Training tennis balls without pressure are more appropriate for beginner practice. The tether cord is connected to a base that serves as an anchor, allowing the ball to bounce back for another volley! 

• 【Easy To Use】Its lightweight construction, when empty, allows you to bring it with you anywhere you’d like to practice!

• 【All -year Training】No matter what you have the weather of elite trainers, tennis is now a sport. This product is an ideal choice indoors or outside. It works on most surfaces, so everything you need is an open area.

• 【Perfect Gifts For Tennis Enthusiasts】We provide personalized gifts and information packaging so that your family and friends can enjoy the perfect gift of any tennis enthusiasts.

Specifications:

• Material: PE
• Color: Blue
• Rope Length: 150 inches (stretch to 275-315 inches)
• Size：20CM/7.86Inch
• Capacity: 1.1L (filled with water or sand)

Package Include

• 1 x Tennis Self-study Device