Diadora has a proven track record in developing products for soccer. Diadora places its experience at the disposal of every player's needs, with soccer boots for all surfaces - hard, synthetic and indoor pitches - in addition to a large variety of soccer accessories, including studs, regulation balls and gloves, to provide your performance with the right support, all the time. Ghibli X Soccer Ball is 32 panel hand stitched ball with a soft PU cover for shape retention and touch. Butyl (rubber) bladder and valve for superior air retention. Size: 3, 4, 5. Material: Polyurethane, Rubber.