Round Top BollardGard bollard covers, one of the newest additions to Innoplast's bollard cover product line, is now in stock and available for purchase. The round top, or often referred to as domed top bollard cover, provides another option when trying to protect and enhance your old rusty pipe in indoor and outdoor applications. Constructed from 1/8" thick high-density polyethylene (HDPE) for durability and long service life. Our patented GripperTabs installation is the fastest and easiest way to secure bollard covers. BollardGard is UV stable and guaranteed against fading and cracking for 5-years.