Tachikara SV5W Gold Official Volleyball Premium leather cover for long lasting feel and durability. Dual bladder adds Superior control, response, and truer shape recall in flight. Butyl Bladder. NFHS Approved. Circumference: 25.6 26.4 in. Weight: 9.1 9.8 oz. Cover: Premium leather. Colors: Blue /White /Silver ,Scarlet /White /Black ,Scarlet /White /Navy ,White /White . Construction: Dual Bladder Construction. Bladder: Butyl.