Looking to stock up on tennis balls? Why not stock up on Penn's longest lasting ball, the Marathon tennis ball!

The Pro Penn Marathon Tennis Ball carries with it a long-lasting core with added felt for extended longevity and durability and with this case of 24 tubes, you can be sure you won't run out any time soon.

This ball is the #1 choice among USPTA Teaching Pros and it features Penn's Encore technology combined with LongPlay felt to boost durability, reliability, and consistency. This ball is ideal for hard court matches!

Pro Penn Marathon Tennis Balls - Extra Duty Felt (Case of 24)

Pro Penn Marathon is Penn’s longest lasting tennis ball featuring exclusive Encore™ Technology for a 22% longer lasting core and high tenacity LongPlay® Felt for extended play.

Pro Penn Marathon is the official ball of PTR because of its guaranteed longevity, durability and visibility. Pro Penn Marathon is available in Extra-Duty Felt (for hard courts), Regular-Duty Felt (for soft courts) and Extra-Duty High Altitude (for higher altitudes).

Penn’s Professional tennis balls are the most technologically advanced tennis ball providing player with top of the line core and felt technologies that allow the ball to play at its best for longer periods of time.