Raw polyurethane foam ball, these very light balls are used for all types of indoor games. Low bounce. Available in 3 sizes : diam. 130mm (ref 099172), diam. 175mm (ref 099171) and 200mm (ref 099173). Available in ball diameter 120 mm reference 099310, in ball diameter 175 mm reference 099335, in set of 4 diameter 175 mm reference 099171, in ball diameter 200 mm reference 099336 and in set of 4 diameter 200 mm reference 099173.