The Pro Penn HD High Definition Racquetballs are designed to revolutionize your game with enhanced visibility, increased speed, and superior comfort. Developed through a collaboration between Penn's high-performance engineers and top professional players on the International Racquetball Tour (IRT), these racquetballs are engineered to meet the demands of today's fast-paced game.One of the standout features of the Pro Penn HD is its improved visibility. Through extensive testing both in laboratories and on the court, the optimum color was determined to ensure that these balls are highly visible even at speeds approaching 200 MPH. This makes them ideal for competitive play where split-second decisions are crucial.In terms of performance, the Pro Penn HD offers more speed than its predecessors while maintaining that speed longer during intense play sessions. This is particularly beneficial for players using lightweight racquets, as it allows for better ball control and reduced arm fatigue.Comfort is another key advantage of the Pro Penn HD. The new softer rubber compound used in these racquetballs reduces torque and vibration, significantly minimizing arm fatigue and allowing players to maintain their best performance for longer periods.Durability has also been enhanced to withstand the increased power of today's top players. The Pro Penn HD racquetballs are built to deliver consistent performance and last longer, even under the most strenuous conditions.This jug includes 12 high-quality racquetballs, making it a great value for serious racquetball enthusiasts looking to elevate their game with reliable and high-performing equipment.