Features: Wrist Return Ball Rubber Sport Ball: This wrist return ball is made of premium-quality rubber material, providing excellent durability and bounce. Perfect for sports enthusiasts who want to improve their wrist strength and coordination. Wrist Return Ball Wrist Band Ball: This wrist return ball comes with a wrist band, making it easy to attach to your wrist and practice your wrist exercises anywhere. Ideal for athletes, musicians, and anyone looking to improve their wrist strength and flexibility. Return Rubber Rebound Ball Toy: This return rubber rebound ball toy is a fun and entertaining way to improve your hand-eye coordination and reflexes. Made of premium-quality rubber material, it bounces back easily and provides hours of fun. String Rebound Bouncy Balls: These string rebound bouncy balls are perfect for children's parties or as a fun exercise toy for adults. The elastic string makes it easy to bounce the ball back and forth, providing hours of entertainment. Game Exercises Bouncing Elastic Sport Ball: This bouncing elastic sport ball is great for game exercises and sports training. The elastic material provides a high bounce, making it perfect for improving your reaction time and hand-eye coordination. Ideal for teens and adults looking to improve their wrist strength and play sports. Specification: Material: Rubber Ball Diameter: 6cm Wire Length: 1m Wristband Size: 23*5cm Notes: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a difference in color than in real. Include: 1*Wrist Return Ball Set