Official ball of the 2008 Beijing Olympic Games New 8 panel swirl design allows for more contact area on the surface of the ball, improving passing and control. Dimpled microfiber material creates turbulence in the air, which allows ball to fly through air. Cemented panel seams allows air between panel and carcass for a softer feel. Blue and yellow color pattern is picked up fastest by human eye allowing for better player reaction time. The most technically engineered ball every made. The microfiber cover has dimples on the surface allowing for the ball to fly truer through the air. The eight panel spiral construction gives players more surface area to touch the ball allowing for better passing and set accuracy. The panel adhesion process traps air below the panel giving the ball a softer feel with out losing any of its power. The best teams in the world will be playing with this ball at the 2008 Beijing Olympic Games. The FIVB has adopted this ball as the official and exclusive ball of international competitions. Official size and weight; Nylon wound bladder; Composite cover. royal/yellow; 3-year warranty.