Designed to Meet all new specifications, STX Lacrosse balls are approved for Use in high school, college and professional play by the NFHS, NCAA and nocsae STX Lacrosse balls are great for players of all ages and levels The STX Lacrosse ball is game ready and great for practice or ...Designed to Meet all new specifications, STX Lacrosse balls are approved for Use in high school, college and professional play by the NFHS, NCAA and nocsae STX Lacrosse balls are great for players of all ages and levels The STX Lacrosse ball is game ready and great for practice or skills training on any surface Stx is the official ball supplier of the NCAA lacrosse Championships 6 Yellow official lacrosse balls come in a polybag You receive 6 Yellow STX official lacrosse balls in a polybag ready for practice or game play. Designed to meet all new specifications, STX official lacrosse balls are approved for use in high school, college and professional play by the NFHS, NCAA and NOCSAE. (Specifications met at time of manufacture.) STX is the official ball supplier of the NCAA lacrosse Championships.