
Penn Championship Tennis Balls, 20-pack
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Features:
- Extra Duty for use on hard courts
- Regular Duty for use on soft courts
- High Altitude for use on surfaces over 3,500 feet of elevation
- Official Ball of USTA League Tennis
- The standard by which all other tennis balls are measured
- Controlled fiber release for consistent nap
- Natural rubber for consistent feel and reduced shock
- Interlocked wool fiber for longer wear
- Deep-elastic seams for reduced cracking
- Official Ball of USTA League Tennis
- Controlled Fiber Release
- Natural Rubber
- Deep-Elastic Seams
- Brand: Penn
- Tennis Ball Types: Extra Duty