| Specification Parameter | Diameter | Circumference | Weight | Applicable Population |
| Size3 22″ | 18CM | 56-57CM | 300-340g | Children 1-3 years old |
| Size4 25.5″ | 20.6CM | 63-65CM | 370-410g | Children 3-6 years old |
| Size5 27.5″ | 22CM | 69-71CM | 470-500g | Children 4-12 years old |
| Size6 28.5″ | 22.6CM | 70-71CM | 510-550g | Women’s Basketball |
| Size7 29.5″ | 24.6CM | 75-76CM | 600-650g | Men’s Basketball |
