Pro Penn Marathon - Regular Duty - Tennis Ball Case Felt:Regular Duty Wilson Synthetic Gut Power has

Wilson Synthetic Gut Power has a consistent

the string is coated with a textured polyurethane resin for added spin potential

By designing this string with high-tech

Style #: WRZ911100

Players with fast swing speeds also tend to find these strings very spin friendly

Pro Penn Marathon - Regular Duty - Tennis Ball Case Felt:Regular Duty Wilson Synthetic Gut Power hasPenn's longest lasting tennis ball, the Pro Penn Marathon feature Penn's Encore technology for more longevity in the core and LongPlay felt for better durability. Optik felt keeps visibility at a maximum. Regular duty for indoor or clay courts. 3 balls per can 24 cans 72 balls