Golden State Art, Pack of 10 11x14 BLACK Picture Mat Set with White Core Bevel Cut for 8x10 Pictures Pack of 10 11x14 BLACK Picture Mats with White Core Bevel Cut for 8x10 Pictures This Set comes with 10 11x14 single mats ONLY. Inside (opening) Size: 7.5x9.5 (bevel cut), Color is BLACK White core and 4-ply thick (about 1.4 mm or 1/16 inch). Perfect for framing 8x10 photos in an 11x14 picture frame. Please Unwrap the plastic wrap & Flip the first mat over to see the actual color mat.