<b>Specification:</b><br> Metarial:Aluminum<br> Size:18" x 12"<br> Thicker and more Durable than the competition: 40Mil<br> Waterproof:Yes<br> Dustproof:Yes<br> Text:Exit Only - Do Not Enter <br> <br> <br> <b>Packing includes:</b><br> 1 x Exit Only - Do Not Enter Sign, <br>