Features: Rebound ball with string is suitable for use at home, yard, playground, office, etc., so you can exercise your wrist anytime and enjoy your leisure time. Small bouncy balls have 4 styles of basketball, football, baseball and softball. They are classic and interesting, and can easily attract most people's attention. Specifications: Material: rubber, nylon Color: as picture shown Size: Ball: about 2.48 inch/ 6.3 cm String: about 39.4 inch/ 100 cm Package includes: 40 x Return balls with wrist strap Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Suitable for people over 6 years old.