2.Stand for 24 hours after inflation. If the air pressure of the basketball drops by more than 15%, it can be judged as air leakage.Punch in the right amount of air, lift the ball to a height of 1.8M from the ground, release the hand and let it fall naturally, and observe the high bounce of the ball (the rebound height of 12M~1.4M is the appropriate bounce).
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Products Description
Specification parameter | Size 3 basketball | Size 4 basketball | Size 5 basketball | Size 6 basketball | Size 7 basketball |
Diameter | 18 CM | 20.6 CM | 22 CM | 22.6 CM | 24.6 CM |
Circumference | 56-57 CM | 63-65 CM | 69-71 CM | 70-71 CM | 75-76 CM |
Weight | 300-340 g | 370-410 g | 470-500 g | 510-550 g | 600-650 g |
Applicable population | Children 1-3 years old | Children 3-6 years old | Children 4-12 years old | Women's basketball | Men's basketball |
Company Profile
kind reminder
1. It can be inserted into the ball nozzle after wetting the gas needle; Do not overinflate to cause deformation of the ball body; The air pressure should be between 7 and 9 pounds, the ball can be lifted to a height of 1.8 M and let it fall freely, and the rebound height should be observed (the rebound height should be between 1.2 M and 1.4 m).
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