The Tachikara(R) SV-18S Official Indoor Volleyball is perfect for recreational groups with multiple players. Single Unit Construction(R) ensures increased air retention and soft touch. The composite cover provides high durability for repetitive use. FEATURES: Indoor competitive volleyball Premium composite leather cover Butyl bladder offers great shape retention Single Unit Construction(R) offers true flight characteristics Quad carbon, isomer bladder internally suspended for increased air retention and durability Woven cotton reinforcement panels for a soft and consistent touch Composite cover designed for institutional and repetitive use Regulation size and weight Model: SV18S Click here for additional information relating to the Manufacturer's Warranty.