Pro Mounds Practice Mounds are made out of heavy-duty, high-density foam. The combination of the foam core and the rubber armor distinguishes these skid proof pitching mounds as the most durable and lightweight models on the market today, guaranteeing not to damage any gym floors. A regulation pitching rubber is attached to every mound. The Pro Model and Collegiate mounds have two handles on each side for easy transport. Measures 10”H x 4’W x 9’L (Pro Size). A Mound caddy on the side of the mound allows for one person to transport the mound virtually anywhere. A tape measure is included for convenience in measuring distance to the plate. Clay turf. Also available in Green.