The PENN Control Plus 3 Ball Can contains 3 balls with green dots that are specifically designed to improve technique and allow time to work on strokes. Made for full court play, the PENN Control balls are 25% slower on court than regular tennis balls. A green dot on the ball improves visibility and concentrates on hand-eye coordination. If you're looking to improve your game and slow the game day down, the PENN Control Plus 3 Ball Can will help!

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