The US Open tennis balls from the quality tennis brand Wilson are suitable for all surfaces.
Packaging - 4 balls per can.
The Official Ball of the US Open since 1978.
Features
- USTA and ITF approved for competitive play
- Made with premium tex/tech industries felt
- Extra Duty: Optimal performance and durability on hard courts
- High Altitude: High altitude core for best performance on courts above 3000ft
- Regular Duty: Optimal performance and durability on clay/indoor courts
- Grass Court: Optimal performance and playability on grass court surfaces