Use weather-resistant polyethylene landscape rocks to hide unsightly utility pipes and other structures. Choose from natural-looking, fade-resistant sandstone, gray, and white granite styles in 3 sizes: 14, 17, and 24 ins. high. Molded-in weight tray accepts brick, sand, concrete, dirt, or gravel to keep rock securely in place. Bottom opening measures 9 ins. in dia. and can be expanded up to 18 ins. in dia. Plastic vents and hold-down stakes also available.