Inovart Picture-It White Pre-Cut Art/Photo Mat Frames
Pre - cut mats made from clay coated paperboard, white one side - 8" X 10"outside/6" X 9" art size 12 mats per package. Paperboard surface is neutral PH. Smooth, non - glare finish. Mats can be decorated with oil and water - based artist paints, mediums, inks, watercolors, markers, pencisl crayon etc Board thickness is 18 ply.