The Diamond DOL-1 NFHS/NOCSAE Official League Baseball combines unbelievable durability with incredible affordability. Designed for high school gameplay and used by travel ball teams, the DOL-1 is a premium game ball that is produced with high-quality materials and components. Featuring a NOCSAE and NFHS stamp approved for high school gameplay, the DOL-1 is constructed with a Cork & Rubber Core for unmatched shape retention, while the Yarn Wound Outer Mantle creates a firm, solid feel. The Full-Grain Leather Cover on the DOL-1 offers long-lasting durability and provides more feel resulting in increased accuracy when throwing.