10 inch regulation height indoor pitching mound has an interlocking two piece design that enables easy moving and storage. Each section weighs less than 50 lbs. Full body construction enables pitchers weight to transfer directly to floor to reduce mound from sliding during practice. Manufactured with resilient polyethylene foams and simulated rubber covering. Simulated rubber will not wear down. total space needed: 13 inch H x 48 inch W x 56 inch L.