AICHUANG tennis ball and String Replacement for Trainer,1 Pcs Trainer with ideal indoor outdoor practice a bounce durable (1)

Tennis material: Replacement ball for Tennis Trainer is made of high-grade rubber and high-quality woolen cloth, It is more durable and stronger than other tennis balls. Easy to use:Just tie one end of string to the tennis ball and fix the other end on racket or ground to start training without picking up the balls frequently, which can improve your practice efficiency and enhance your tennis skills. Training accessories: Ball diameter 6.4-6.6cm (2.5-2.6in), string length 3.5m (12.32ft), rope tennis is a good tennis training accessory to practice many tennis skills. You can use all your tennis skills to practice. Application: Tennis Training Ball is a great teaching tool for beginners and intermediate tennis players, suitable for indoor/outdoor training and practice. Purpose: Line tennis is a tennis training accessory, which can help you better individual training tennis skills. At the same time, you can throw one of them to your pet so that the pet can happily train with you. Of course, when your training is over, you can also use tennis to perform comfortable foot and waist massage to relieve your fatigue