Art to Frames Double-Multimat-644-61/89-FRBW26061 Collage Frame Photo Mat Double Mat with 1-11x17 Openings and Espresso frame High quality 4-ply double mats; Lignin Free, pH-neutral; Bevel Cut Edges Comes with Espresso frame Dimensions: 15" x 21" with 1 - 11x17 openings Top Mat Color: Super White; Bottom Mat Color: Black Comes with Espresso frame, Plexi glass, backing and hooks for wall