Penn High Altitude Tennis Balls Championship - 4-Pack 12 Balls Yellow - USTA & ITF Approved - Official Ball of The United States Tennis Association Leagues - Natural Rubber for consistent Play DB DEGBIT HEALTHCARE PROFESSIONAL'S CHOICE: Used by

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Penn High Altitude Tennis Balls Championship - 4-Pack 12 Balls Yellow - USTA & ITF Approved - Official Ball of The United States Tennis Association Leagues - Natural Rubber for consistent Play DB DEGBIT HEALTHCARE PROFESSIONAL'S CHOICE: Used byBrand: Penn Color: 4 pack Features: HIGH ALTITUDE Tennis balls manufactured for surfaces over 3,000 feet or 914 meters in elevation. Deep elastic seams for reduced cracking. EXTRA DUTY Designed for hard courts with unbeatable performance, unmatched consistency and premium woven felt, all add up to a better experience for you. That's why Penn Championship Tennis Balls are the official ball of USTA leagues. LONGER PLAY Play like a tennis pro with the