The Yonex Tour tennis balls provide exceptional playability and consistent performance across the board. It ensures great durability on all types of surfaces including hard court, and it guarantees proper visibility thanks to a bright woven felt. The balls are pressurised, therefore are susceptible to higher spin and generate more bounce, as well as superior speed. These high-quality tennis balls are approved by the International Tennis Federation (ITF) and come in a handy tube of four.