HIGH QUALITY: Made from premium quality nylon rubber with 130cm minimum bounce. Perfect choice for match or training giving high quality performance. DURABLE: The tennis balls come packaged in a pressurised tube to optimise tennis balls performance. Once opened the minimum bounce lasts a long time giving you durability and power for endless fun. ALL SURFACE: These tennis balls are made to perform wherever you want to play. 3 BALLS EXCELLENT CUSTOMER SERVICE: Any problems just let us know and we'll help you in any way possible.