Open Trench Novelty Metal Crossing Sign CX-489. 16.5"X16.5" metal crossing sign, 12"x12' square size. Made of the highest quality aluminum for a weather resistant finish. It is lightweight and durable and has pre-drilled holes for quick and easy mounting. Personalize with ribbon, wire or string. Individually shrink-wrapped and proudly made in the USA. Individually shrink wrapped w/ drilled holes for quick and easy reseller display as well as for customer mounting.