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 #1 choice of the USPTA Teaching Pros because of its guaranteed longevity, durability and visibility.
Web Description: Pro Penn Marathon X-Duty Balls (Case 24x)
Type: Extra Duty
Case/Units: 24 Cans per Case
Surface: Hard Court
Approved By: USTA and ITF
Tennis Balls Tennis Balls Penn - IPPXD. - Pro Penn Marathon X-Duty Balls (Case 24x)
100% Satisfaction Guarantee: At Mansion Tennis, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tennis in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.