Elevate your game with the Wilson Championship High Altitude Tennis Balls! Designed specifically for high-altitude play, these balls feature a premium felt for enhanced durability and consistent performance. Each can contains 24 balls, perfect for practice sessions or competitive matches. The high-altitude construction ensures optimal bounce and responsiveness, making them ideal for players looking to maintain their edge in challenging conditions. Whether you're hitting the courts for fun or serious competition, these tennis balls are a reliable choice for every player. Get ready to serve up some serious competition!