Made From 4 Ply Mat Board White Acid Free Heavier than Vinyl These are stencils cut from 4 ply mat board which makes them heavier than normal stencils. Available in the outer dimensions listed below. Each opening is sized on the stencil to leave a border for overpainting. Custom sizing is available upon request Sizes: 24x36 20x24 18x24 16x20 11x14 8x10 5x7 Image is to show outline of opening only-Not Actual Stencil