Studio 500 gives you the perfect picture mats give your frames a beautiful pop of color to create a modern look to your favorite pictures or documents. Each pack comes with 10 mats, 10 all white backing boards, and 10 clear bags for a size 16"x20" frame with an 11"x14" opening = 10.5" x 13.5". Choose between our 5 available colors (blue, green, red, brown, and gold) to create your picture-perfect moment.