High quality The base of the tennis trainer is made of high density material, very strong and durable. The tennis bounce ball is made of chemical fiber woolen fabric, which has strong wear resistance and good elasticity. The attached rubber rope is thick enough and durable. In short, the tennis set is of good quality and practical.Water inlet and outlet Tennis training equipment has water inlet and outlet design. By filling the training tool with water or sand and then providing it with a non-slip design at the bottom, the stability of the trainer base is improved. The spherical groove design perfectly fits the attached tennis ball.Self-taught tennis training Rope bounce tennis is very useful for solo tennis practice, it can improve your concentration, exercise ability and hand-eye coordination. Simple and practical. Of course, this also allows you to master the skills of tennis in the self-study process.Unique and practical design The base of the tennis training set has a round hole design. Simply attach the rubber cord to the ring of the tennis trainer to start a single tennis workout. The handle design on the side of the trainer makes it easy to carry the tennis trainer. It can also be used to increase the load on the training device and increase stability.Portable set The tennis training set is very portable. Before being filled with water and sand, the tennis base is light and easy to transport. You can easily take the tennis coach outside and start a unique workout. In addition, the tennis training apparatus accessories are simple and convenient for storage.Tennis trainer with 2 elastic ballsTENNIS COACH WITH LONG ROPE AND 2 BALLS FOR CHILDRENDo you often find it difficult to conquer tennis?And are you looking for a good tennis partner?Try our awesome tennis trainer.You can free yourself from the hassle and easily hone your skills without the help of a partnerSuitable for all ages such as children, students, teens, office workers, middle-aged people and the elderly of the community. A perfect training tool for novices and professionals to have funNon-slip designNon-slip EVA with two large areas at the bottom of our trainer tennis shoe increases friction and improves stability.Water inlet and outletThere is a port designed to facilitate the filling and drainage of water, which completely solves the water charging problems insufficient, difficult water loading and difficult water pouring.