Outdoor Essentials Faux Ground Cover Rock, Grey, Grey Made of fiberglass composite Hide large, low-lying landscape imperfections such as septic covers with natural-looking hollow rock that blends with landscaping Hand-painted with tan and gray colors; every rock is different, just like in nature Less expensive and easier to install than a real boulder; easy to relocate; drillable Bottom measurements: 47 Inch long, 44 Inch wide; peak height, 12.5 Inch