The WILSON Youth Tennis Ball - US Open Green Tournament Single Can 3 Balls is a set of three green felt tennis balls designed for young players under the age of 11. With a low-compression construction, these balls are ideal for beginners learning the game of tennis. The Wilson brand is known for producing high-quality sports equipment, making these balls a reliable choice for aspiring young athletes. This package includes one can of three balls and is perfect for young players looking to practice their tennis skills in a fun and engaging way.