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10 of 18x24 Black Pre-cut Acid-free whitecore mat for 13x19 back bag
10 of 18x24 Black Pre-cut Acid-free whitecore mat for 13x19 backbag
This item comes with 10 single mats 10 backing and 10 bags
The opening size is 125x185 for 13x19 print backing board clear bag
The mats are beveled cut with white core and 4-ply thick about 14 mm or 116 inch