Diamond Dol-A Official League Baseball The Diamond Dol-A Official League Baseball NFHS features a cushioned cork center, A-grade grey wool winding and a full-grain leather cover. New DriCore technology helps prevent water absorption that would normally add weight in wet field conditions. DriCore can also accelerate the drying time after a rainy game. NFHS approved and licensed. Sold by the dozen. Sz: 9".