Spalding Zi/O TF Excel Indoor-Outdoor Basketball 29.5" Ready to splash through nets and trip up defenders. The Spalding Zi/O Excel Indoor-Outdoor Basketball is foam-backed for a solid bounce, both at the gym and in the driveway. The composite cover is soft and slightly tacky, making the ball easy to palm. Features Official size and weight: Size 7, 29.5" Zi/O Tournament composite cover Foam-backed design for excellent feel Shipped inflated and game-ready Designed for indoor and outdoor play USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.