20 pcs of new 11x14" Quality Picture Mats. 2 Pieces: RED, BLUE, WHITE, BLACK 1 Pieces: PURPLE, BURGUNDY, NAVY BLUE, DARK GREEN, LIGHT BLUE, GRAY, BROWN, GOLD, SILVER, YELLOW, ORANGE, GREEN The Openings are Bevel cut 7.5" x 9.5" to fit a 8x10 photo or print. These mats are cut from Quality white core mat board and are excellent for framing photos or prints. Also great for crafts, backboards, signs, children"s projects, and school projects. Thickness: 4-ply: 1.4mil or 1/16 inch These are Acid Free matboards.