Official size and weight: Size 7, 29.5” Allover Spalding color-infused graphics Each ball has unique marble print Performance outdoor rubber cover Dual Sided Graphics Shipped inflated and game ready Designed for outdoor/indoor play Description Made for players who create their own lane, The Spalding Marble Series Multi-Color Outdoor Basketball shakes free from convention with a unique marble print. Aside from the durable outdoor cover and embossed logos, no two balls in the series are the same. It has a deep channel design to give you proper grip and a durable rubber cover that stands up to asphalt or concrete.