The Decorative Artificial Rock Model 118 is a landscaping rock designed to conceal low-profile elements such as septic tank covers, valve boxes, manhole covers, and grease trap covers. The commercial-grade construction withstands the elements. It won't fade in the sun or crack in cold weather. Heavy-duty ground stakes are supplied with each rock. Made in the USA from recyclable materials. Specifications: Color: Sandstone. Weight: 10 lbs.