4 Packs Tennis Training Ball with String, Tennis Trainer Balls Self Practice Trainer Tool, Tennis Ball Training Equipment for Tennis Trainer Practice Exercise Outdoor & Indoor

Features: Practical and portable: The tennis training balls with string are suitable for both professional training and daily exercise use, not need to pick up balls, which brings much convenience and makes you enjoy sport time by yourself. You can share them with your friends and family members and do sports together. Easy to use: You can easily tie one end of string to the tennis training ball and fix the other end on racket or ground, then you can start your tennis training, which is convenient and suitable for different places, such as home, yard, park, gym and more. Specification: Color: as pictures shown Ball diameter: 67 mm/ 2.64 inches Package included: 4 x Tennis training ball with string Note: Please keep the strings way from little kids to avoid winding risk. Please allow slight size error due to manual measurement. • Package Included: You will get 4 packs of tennis training balls with string, enough quantity for your daily training use and replacement, you can also share them with other people. • Reliable Material: The tennis trainer balls are made of safe and durable materials, not easy to break or corrode, suitable for long-term use, with nice elasticity, they can bring much convenience for your tennis training. • Convenient to Use: The tennis balls with string are practical training tools for single practice and they are easy to use, you do not need to spend time in picking up the ball, which can improve your practice efficiency and enhance your tennis skill. • Wide Use: The tennis training balls are suitable for both professional training and daily exercise use, which can improve your concentration, athletic ability and hand-eye coordination, you can also use them as pet play balls and enjoy relaxing time. • Nice Gifts: The tennis ball training tools are suitable gifts for friends, family, kids, neighbors, colleagues or anyone who like playing tennis at birthday or holidays, they are practical and portable, making people have more enjoyable sport time.