Kids' size 4 basketball k500 - blue/orange

The ball size depends on the player's age and gender.
Size 1: From ages 2 and up
Size 3 to size 5: Girls or boys ages 4 to 6 / Baby basket under 7 age group (depending on levels and clubs)
Size 5: Boys and girls ages 7 to 10 / Under 9 and under 11 age groups
Validation test of resistance: ball withstands at least 2500 shots against a steel backboard performed at 50 km/h.
If you want a very durable ball, go for a rubber ball. If you're looking for a ball with a good ball feel, choose a leather or synthetic ball.