topseller100, Pack of 100 sheets 8x10 UNCUT mat matboard BLACK Color 100 sheets 8x10 UNCUT mats / matboards Black Color This package comes with 100 uncut matboards Great for cutting your own mats for photos, art works, or prints The front is black and the back is off white These are Acid Free matboards, Standard 4 ply: 1.4 mil or 1/16 inch.