Penn Ultra Blue Giant 12 Ball Can 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 pack contains 12 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.