Art to Frames Double-Multimat-171-89/89-FRBW26061 Collage Frame Photo Mat Double Mat with 8-4x6 Openings and Espresso frame High quality 4-ply double mats; Lignin Free, pH-neutral; Bevel Cut Edges Comes with Espresso frame Dimensions: 23" x 17" with 8 - 4x6 openings Top Mat Color: Black; Bottom Mat Color: Black Comes with Espresso frame, Plexi glass, backing and hooks for wall