Tennis Trainer Device Style:Round Style Material: Resistant plastic

Material: Resistant plastic

You can even play your smart phone or listen to favorite music while comfortable lean on inflatable neck pillow

Easily grip pots

You'll hardly notice you're wearing it

Close the caps to create an air-tight seal

Tennis Trainer Device Style:Round Style Material: Resistant plasticPRODUCT FEATURES: Easy to use: Don't worry about the use occasions and companion restrictions, you can train basic tennis shots and movement skills anytime and anywhere. There is a semi circular ball groove on the base of the tennis trainer bouncer, which is used to store tennis balls after tennis training. The product is designed to be portable. Durable: The product is of high quality, and the upgraded elastic rope has high elasticity. It is very