The wrist rebound ball is designed to provide endless fun and exercise. Its solid rubber construction and elastic string make it and easy to use. Whether you're looking to improve your athletic skills or simply want a fun way to keep active, this ball is a for all ages and skill Features -Color:Yellow -Material:Polypropylene fabric, rubber -Size:6.00X6.00X6.00cm/2.36X2.36X2.36in -Wrist strength training: strengthen your wrist muscles and enhance hand flexibility with this 6 cm solid rubber rebound ball, ideal for improving athletic performance -Stress relaxation: reduce hand fatigues and stress with this versatile ball, ideal for use in the office, , or while traveling -Portable exercise tool: this compact and portable ball can be used anywhere, providing a convenient way to keep active - material: made from rubber, this ball is built to withstand long-term use without deforming, ensuring lasting durability -Coordination and reaction: train your handeye coordination and reaction time with this quick-response rebound ball, suitable for athletes and students Package list: 1 x wrist elastic tennis ball