PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can Racket pockets including an insulated

Racket pockets including an insulated one for carrying up to 9 rackets

The YONEX Round Sole is designed to provide all-around support for quick and smooth footwork

Tungsten infused grommets maximize the contact time between shuttle and string

String: Powernick 19 Black (Prestrung) Recommended Tension: 25-29lbs Stiffness: 91 Avg

PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can Racket pockets including an insulatedOFFICIAL BALL FOR TENNIS BC! Pro Penn Marathon is Penns 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