Requires inflation: Ships flat, pump not included | Machine-stitched construction for high durability | Butyl bladder for best air retention | Size 5 ball (standard size) suggested for ages 12+ | Quickly control the ball and precisely pass and shoot with adidas' Starlancer Ball A great ball for a beginning or youth athlete | Quickly control the ball and precisely pass and shoot with adidas' Starlancer IV Ball; A great ball for a beginning or youth athlete | Machined-stitched construction ensures soft touch and high durability | Butyl bladder for best air retention to stay inflated longer | Size 3 ball suggested for ages 8 and under, Size 4 ball suggested for ages 8-12, Size 5 ball (official size) suggested for ages 12+