Art to Frames Double-Multimat-564-586/89-FRBW26079 Collage Photo Frame Double Mat with 4-8.5x11 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 29" (Total frame size when hanging on the wall). Top Mat Color: Blue Jay. Bottom Mat Color: Black Comes with 4 - 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.