The Spalding NBL Outdoor Replica game basketball is modelled after the Official NBL game ball for play on your local concrete court or shooting hoops on your driveway. Basketball fans of all ages get the advantage of a pebbled surface for more intuitive grip to harness your skills and unleash your creativity on the court. - Replica of the Official NBL game ball - Hard-wearing rubber cover - Pebbled surface - Raised grip for improved ball handling - Ideal for play on outdoor courts and surfaces - Size 1 Spalding basketball Sizing Size 7: Official, standard size for men’s professional play. Size 6: Slightly smaller than size 7 for smaller hand sizes. Standard size for women’s professional play and kids aged 12 years and up. Size 5: Ideal for kids aged 8 – 11 years. Size 4: Ideal for kids aged 4 – 8 years. Size 3: Mini ball for the youngest basketball fan of the family or as a novelty ball.