Penn Ultra Blue 24 Cans America's No 1 selling racquetball, the Ultra-Blue is a great everyday ball for practice and amateur games. It's also the official ball of the USRA. Each can contains 3 racquetball balls. The ball that set the standard for which all other racquetballs are measured. The world's No 1 selling racquetball has just become the Official Ball of the Legends Tour. The greatest players of all time chose the Penn Ultra-Blue racquetball for its long, lively, consistent play. Always a great value, the Penn Ultra-Blue delivers. Consistent playability. Great value. *Protective eyewear is recommended when using this product.