RAYLINEDO Round Picture Frame Wall Hanging Photo Frame Living Room Decor Art Painting Mural Frame (Black 12 inch). Constructed of polished medium density fibreboard (MDF) coated with stoving varnish, clear and shatterproof plexiglass, and removable cardboard backing, durable, lightweight and easy to use. Simply Peel off the Protective Film on the Plexiglass Board, remove the backing, put your favorite photo in and put the backing back on it, and then install the peg on wall before hanging the photo frame onto it. 12 inch round black picture photo frame, outer diameter: 33.5cm, inner diameter: 30.2cm, displayed size: 29cm Our frames come ready to hang or stand by back holder, but the frames above size 10 inch are no holder Each frame is fitted with plexiglass, backing board and picture hanger, also come with a non-trace nail hook. Please tear off the protective film before using.