Our picture mats give your frames an elegant finish to your favorite pictures or documents. Each pack comes with 25 mats, backing boards, and crystal clear bags for a size 16"x20" frame with an 11"x14" opening. Choose between our 5 available colors (black, white, white over black, white, over red, and white over gold). Studio 500 is the #1 best seller of luxury, high-quality mats, and are perfect for crafts, backboards, signs, children's projects, photos!