NatureRocks™ climbing boulders provide a dynamic and authentic climbing experience. Hand-painted rust to create a realistic sandstone look. Constructed of glass fiber reinforced concrete for durability & longevity.Plastic coating protects the surface and prevents the penetration of spray paint, marking pens, chemical attacks, crayons and lipstick. Installation instructions included. Five year warranty on structure. 8'H x 7.5'L x 5'W above finished safety surface (9' actual height). 3850 lbs. Shipped freight. Made in the USA.