Pack of 25 11x14 White Picture Mats Mattes with White Core Bevel Cut for 8x10 Photo Set of 25 pieces of 11x14 Picture Mats for 8x10 Photos The opening size is 7.5"x9.5" for 8x10 print. Color: White The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch) Proudly cut in Chicago Ships fast