poster palooza 13x18 contemporary black wood picture frame - uv acrylic, foam board backing, & hanging hardware included! poster palooza 13x18 contemporary black wood picture frame - uv acrylic, foam board backing, & hanging hardware included!. this wood picture frame has been built for images measuring 13x18 inches.. overall dimensions 13.5625x18.5625 inches.. moulding width: 0.5625 inches - rabbet depth: 3/8 inches. uv resistant frame grade acrylic sheet & foam board backing included.. hanging hardware included for vertical or horizontal display.