Our plastic parking blocks deliver superior strength and durability over the competition. Our parking blocks are virtually indestructible, user-friendly, easy to install, maintenance free, lightweight but stable, chemical and weather resistant, UV stabilized and molded solid for maximum strength excellent freeze/thaw characteristics. All of our parking blocks come with installation instructions. Our solid parking blocks and rubber speed bumps are the only product of their kind with pre-molded anchor holes. Available in a variety of colors and sizes.