yotijar Tennis Trainer Ball Portable Tennis Practice er for Beginners Without Swivel

[Design]There is a small loop on the side of the tennis trainer to facilitate attaching tennis balls, and the recessed part is used to place balls. Single tennis training device helps you learn tennis easily. [Professional Tennis Training Equipment]Tennis trainer for building speed, hand eye coordination and stamina. Improve your concentration and physical abilities. Easy to use and train. [Easy to Use]Fill the base with sand or water. No ball machine or walls required; nonslip base for indoor and outdoor practice. [Quality Material]Tennis is made of high quality material, eco friendly and lightweight, sturdy and durable, can be used for a long time. [Package Contents]1x antislip Tennis training base and 1x Tennis ball with long elastic rope. Specification:Material: HDPESize: 19cm/7.48inchPackage Includes:1 Tennis Trainer SetNote:Please allow slightly errors due to manual measurement and different monitors.