More on Amazon.com : http://www.amazon.com/gp/product/B008H7BF0C?tag=thefatkidin06-20 <br /> <br />25 11x14 Black Pre-cut Mat V-groove for 8x10 Backing Bag <br /> <br />25 11x14 Black Pre-cut Mat V-groove for 8x10 Backing Bag <br />This item comes with 25 single mats 25 backing and 25 bags <br />Inside Dimensions 75x95 to fit 8x10 bevel cut <br />The mats are beveled cut with white core and 4-ply thick about 14 mm or 116 inch