Signs can be mounted in brick, stone and concrete or with sturdy Aluminum Sign Posts (sold separately). Top header provides a large single or two line copy block. Top hinged door includes tamper-proof locks for security and a 10″ white acrylic header panel. Crystal clear 1/4″ lexan window. 3″ face frame. Made using an extruded PVC clear copy board track and 1/8″ white acrylic background.