topseller100, Pack of 50 sheets 8x10 UNCUT matboard / mat boards (Blue) 50 sheets 8x10 UNCUT mat boards / matboards This package comes with 50 uncut white core matboards Great for cutting your own mats for photos, art works, or prints Outside Dimensions: 8x10"; Perfect for framing photos in an 8x10 picture frame. These are Acid Free matboards, Standard 4 ply: 1.4 mil or 1/16 inch.