ArtToFrames Collage Photo Frame Double Mat with 2 - 8.5x11 Openings and Satin Black Frame Comes with Satin Black frame, Plexi Glass, 2 mats, backing and a wire hanging set (hardware as shown in the photos) Finished Frame Dimensions: 24" x 17" (Total frame size when hanging on the wall) Top Mat Color: Charcoal. Bottom Mat Color: Black Comes with 2 - 8.5x11 openings. (Each opening cut roughly 1/4" smaller then the size listed so it holds in your photos nicely) High quality 4-ply double mats Lignin Free, pH-neutral Bevel Cut Edges