Penn Regular Duty Tennis Balls (Case 24x) Size:OS Ultra-soft feel — cotton gets

Ultra-soft feel — cotton gets the job done

Series Vapor

(1) Ball pump with convenient needle storage in handle

Whether you're using them in the gym

Penn Regular Duty Tennis Balls (Case 24x) Size:OS Ultra-soft feel — cotton getsPenn Championship is Americas #1 Selling Tennis Ball and represents the standard by which all other tennis balls are measured. It features a controlled fiber release for consistent nap, natural rubber for consistent feel and reduced shock, and interlocked wool fiber for longer wear. Penn Championship is the Official Ball of USTA Leagues. It is USTA and ITF approved and is available in extra duty felt or regular duty felt The Championship Line provides