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10 of 22x28 White Pre-cut Acid-free BLACKCORE mat fits 17x22 back
10 of 22x28 White Pre-cut Acid-free BLACKCORE mat fits 17x22 back
This item comes with 10 single mats and 10 backing
The opening size is 165x215 for 17x22 print backing board
The mats are beveled cut with black core and 4-ply thick about 14 mm or 116 inch
