The Spalding® TF-1000 ZK Microfiber 29.5 Basketball is made of Spalding's exclusive ZK Microfiber composite leather designed to feel like broken in leather the first time you use the ball. Spalding's microfiber composite leather has the look and feel of genuine leather with greater durability at a fraction of the cost of a genuine leather basketball. The Spalding TF-1000 basketball is a wide channel design basketball which maintains it's feel and performance game after game. The Spalding basketball is NFHS approved.