snippet: Channel shape of base makes speed bump stronger and more durable. The channel shape allows you to run cables and wires underneath the block. Includes installation hardware for asphalt or concrete.<br><br><ulstyle="margin-top:0px;padding-top:5px:<br><li>Recycled Plastic Parking Block</li><li>Virtually Indestructible</li> <li>Made in the USA</li> <li>User Friendly-Easy Installation</li><li>Durable and Lightweight</li></url> (Page 1)