The Whitehall Products Arch Marker Address Plaque will accentuate your home exteriors with its elegance. The address plaque is made from rust-free cast aluminum providing excellent quality. The plaque has a stylish arch shape. The Whitehall Products Arch Marker Address Plaque will accentuate your home exteriors with its elegance. The address plaque is made from rust-free cast aluminum providing excellent quality. The plaque has a stylish arch shape.