*Artificial turf covering - safe for cleats. *Non-slip, non-marking rubber backing, *Shock absorbing landing areas, *Computer-designed, regulation specs, * One-year limited warranty against manufacturing defects, *Lightweight, *Durable, *State-of-the-art computer design, *Maintenance Free, *Guaranteed non-slip backing will not harm gymnasium floors, *All mounds suitable for indoor and outdoor use, *6' diameter