ArtToFrames Collage Photo Frame Single Mat with 4-5x7 Openings and Satin Black Frame. Comes with Satin Black frame, Regular Glass, 1 mat, backing and Sawtooth Hanger (hardware as shown in the photos). Finished Frame Dimensions: 15" x 19" (Total frame size when hanging on the wall). Top Mat Color: Super White. Comes with 5x7 LettersArt, Letters, Names openings. (Each opening cut roughly 1/4" smaller then the size listed so it holds in your photos nicely) High quality 4-ply single mat ... Lignin Free, pH-neutral. Bevel Cut Edges.