Dunlop 603097US Champoinship All Court Tennis Call Can The Dunlop Championship balls are high quality and durable to meet the most exacting demands of both the recreational and serious player. They have specifically been designed and engineered for U... Dunlop Tennis Balls | Hard Court | Championship Tennis Size - (See Description) | Color - (See Description) Authorized Dunlop Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.