Built to last for years

Liquid Crystal Technology: Fibers incorporated into the design optimize flex

Regardless of your sport

6 takes your game to the next level

Pro Penn Marathon+ Extra-Duty 24 Cans Arch Type_Medium Arch (Normal) Built to last for yearsMeet the Pro Penn Marathon+ Extra Duty 24 Cans! Featuring TrueBounce technology, these tennis balls deliver a consistent, reliable bounce on every point. Designed for extended play on hard courts, the Pro Penn Marathon+ Extra Duty 24 Cans is consistent to the core! TrueBounce technology allows a consistent and reliable bounce on every point. Encore+ technology holds pressure and playability longer. Longplay+ woven felt engineered for durability and