topseller100, Pack of 50 sheets 11x14 UNCUT mat matboard BLACK Color 50 sheets 11x14 UNCUT mats / matboards Black Color This package comes with 50 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 1/16th