Tennis Trainer Ball Tennis er Set, Lightweight Single Player Ball with String Solo Training Self Practice for Park, Kids Adults , Style F. Professional Tennis Single Training is equipped with a ball with elastic strings, suitable for outdoor training, and practice to meet your daily training needs.Tennis Trainer Ball Set is made of PE material, lightweight, wear resistant, and durable.With a groove on the top, tennis balls can be placed when not in use, and If the base is not , you can fill it with water and sand to make it more stable.Tennis racket with nonslip design to the handle for smooth rotation, smooth and effortless.The tennis Single Training Set can be used for parks, tennis courts, back gardens, backyards, , and beginner, and professional athletes.Trainer Tennis Racket Balls. Portable Tennis Equipment Self Practice Training. Beginner Women Men With String Carrying Bag. Lightweight Teenagers Training Aid Kids Tools. Professional Player Indoor Outdoor Backyard Park. [Widely Used]: The tennis Single Training Set can be used for parks, tennis courts, back gardens, backyards, , and beginner, and professional athletes. [ Trainer]: Professional Tennis Single Training is equipped with a ball with elastic strings, suitable for outdoor training, and practice to meet your daily training needs. [Tennis Practice er Equipment]: With a groove on the top, tennis balls can be placed when not in use, and If the base is not , you can fill it with water and sand to make it more stable. [Non Slip Handle]: Tennis racket with nonslip design to the handle for smooth rotation, smooth and effortless. [Premium and Reliable]: Tennis Trainer Ball Set is made of PE material, lightweight, wear resistant, and durable.