Whether being used in competitions for the title or to warm up a playing arm with repetitive swings, these Dunlop® Championship Hard Court Tennis Balls (3-Pack) help players feel confident when it counts. The sturdy tennis balls are designed for use on hard courts, so you can hold practice in the gym when the weather's not cooperating or out on the asphalt. Tennis players can keep an eye on the ball during high-speed rallies thanks to the bright green shading, which makes it simple to connect racquet to ball.