The ZK Microfiber composite cover is the newest innovation from Spalding Basketball. This Women's basketball has a ZK Microfiber composite cover, giving it the look and feel of a genuine leather basketball, but with greater durability outlasting the traditional leather basketball. The Microfiber helps the ball retain its original surface longer. This 28.5" basketball offers a more grip and wide seam to help improve your ball handling skills. This basketball is the official game ball of the CBA [Continental Basketball Association]. NFSHSA approved. Comes with 3 year guarantee.