CAL RIPKEN DIVISION BALLS: These baseballs are all Babe Ruth League-approved for Cal Ripken level play, ideal for high school practices and youth games. LEATHER COVER: A full-grain leather cover makes these baseballs durable enough to withstand repeated blows from the hardest hitters. PERFORMANCE QUALITY CORE: A cushioned rubber and cork core wound with 5% wool yarn maintains the ball’s shape, size, and weight under intense use. RAISED SEAMS: These balls are stitched with raised seams for improved grip and greater control of the ball’s flight path through the pitching motion. 12 PACK: These baseballs come by the dozen; get 12 baseballs in one order.