adidas Performance Starlancer IV Soccer Ball, White/Solar Green/Rich Blue, 4 Quickly control the ball and precisely pass and shoot with adidas' Starlancer Ball A great ball for a beginning or youth athlete Machine stitched construction and internal nylon wound carcass for maximum durability and long-lasting performance Special TPU exterior material is designed to resist abrasion and last longer Butyl bladder for best air retention to keep the ball's shape and 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+ Part of the Starlancer Soccer Collection, this ball is built for training and practice 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+ Check with your local league for size requirements