PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can frame top and the joint

frame top and the joint for maximum control

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

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

Tungsten infused grommets maximize the contact time between shuttle and string

PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can frame top and the jointOFFICIAL 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