The first lacrosse balls re-engineered and made in the USA to never grease or harden, staying in spec and lasting longer than typical rubber lacrosse balls. Available in 3, 10, 20, 50 and 100 Counts. Grease-Free Guarantee, PEARL X balls never grease or harden. PEARL X balls are SEI certified and meet NOCSAE/NFHS/NCAA standards for game play. Made in the USA.