Art to Frames Double-Multimat-576-818/89-FRBW26061 Collage Frame Photo Mat Double Mat with 2-8x12 Openings and Espresso frame High quality 4-ply double mats; Lignin Free, pH-neutral; Bevel Cut Edges Comes with Espresso frame Dimensions: 21" x 16" with 2 - 8x12 openings Top Mat Color: Nile Green; Bottom Mat Color: Black Comes with Espresso frame, Plexi glass, backing and hooks for wall