Description The Dunlop Pro is the official ball of the World Squash Federation (WSF), Professional Squash Association (PSA) and Women's International Squash Players Association (WISPA) and the only ball used in all international professional competition. An elastic hydrocarbon polymer offers outstanding bounce and feel during match play and this three-pack of standard size balls comes in a vacuum-sealed tube.Make sure this fits. by entering your model number.Official ball of World Squash Federation (WSF), Professional Squash Association (PSA) and Women's International Squash Players Association (WISPA)Only ball used in all international professional competitionMade of performance elastic hydrocarbon polymer for optimal durabilityOffers outstanding bounce and feel during match playThree-pack of standard size balls comes in a standard, vacuum-sealed tube 0 Reviews 0 Reviews Add Review