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20x24 Double Mat (Black Core)

Price: $19.60

Quantity	Price
5 - 5	$19.60
6 - 15	$16.66
16 - 25	$13.72
26 - 49	$10.58
50 - 99	$7.84
100 - 499	$6.86
500 - 999	$6.27

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View Stock Mat Colors
Essentials Black Core matboard features a solid black core that along with the backing paper that touches your artwork is acid-free - buffered by an alkaline solution - and is recommended as design accent board for open-end reproductions, posters and decorative framing.

Choosing an Opening Size
Openings are cut to the size you specify; normally you will want an opening 1/2" smaller per dimension than your artwork. This gives space to hinge and prevents it falling through the mat opening. So, for example, an 8x10 photo would use a 7 1/2 x 9 1/2 opening.

Reveal
A reveal is how much the bottom (or inner) mat shows in the opening. Common reveals are 3/16" or 1/4".

Please check that your chosen reveal and opening size still leaves at least a 1" border on all sides of the mat. For example, for a 20"x24" mat with a 3/16" reveal, the opening can be no larger than 17 5/8" x 21 5/8".

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