Approval: ITF & USTA approved for competitive play. ???? WILSON US OPEN EXTRA DUTY TENNIS BALLS. ⭐ WHY PLAYERS RATE THESE BALLS. court surfaces, giving you a longer-lasting, more consistent bounce. - Type: Extra Duty (hard court).
Wilson US Open Extra Duty Tennis Balls would be ideal for professional and recreational tennis players looking for high-quality, durable hard court tennis balls for competitive matches and training sessions.
