Cast aluminum bench plaque with raised double border and recessed area for an engraving plate. Plaque is 3" x 9" with 2" x 8" plate area. Flat back mounts have four holes and include stainless steel screws for mounting. Available in 2 finishes - Black/Silver or Brown/Bronze.(prices are higher for Bronze) Install plaque and then affix the plate on top after installation. This is a weatherproof material we engrave on.