The Penn Championship extra duty tennis ball is the No. 1 selling tennis ball in North America. These balls are manufactured under strict quality control standard and using only high quality materials. Approved by the International Tennis Federation, the Penn Championship ball is designed for use on hard court surfaces.
- Natural rubber for consistent feel and reduced shock
- Interlocked wool fiber for longer wear and increase durability
- Deep elastic seams for reduced cracking and longer wear
- Control fiber release for consistency
- Approved by the International Tennis Federation (ITF) and United States Tennis Association (USTA)
- Recommended for hard court surfaces
- 4 cans x 3 balls each