STX LACROSSE BALLS - great for players of all ages and levels Also great for MASSAGE, MIOFASCIAL RELEASE or DOG TOYS The STX Lacrosse ball is great for practice or skills training on any surface for players of all ages and levels. STX Lacrosse balls are approved for use in college and professional play by the NCAA and NOCSAE. NOT NHFS approved. 6 Yellow lacrosse balls come in a polybag