Mat Board Center, 8x10 Picture Mat Sets for 5x7 Photo.

Set of 50 pieces of 8x10 Picture Mats for 5x7 Photo with backing boards and bags This item comes with the 50 pre-cut mats, 50 backing boards and 50 clear bags. The opening size is 4.5"x6.5" for 5x7 print. Color: MIX The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch), The backing is white on both side.