A Plus Max Mat Board + Backing Board + Clear Bag, Pack of 20 (Black, 16"x20")
$59.99
Acid free, beveled cut This item comes with 20 single mats, 20 backing, and 20 clear bags Thickness: 4-ply (about 1.4 mm or 1/16 inch) Backing board: one side White and One side black.
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