12x16 Double Mat for 8x12 Photo | Premium White Core Matboard Single layer mat with a

Single layer mat with a white core

Double mat

Exact Opening Size: 4

Outer size: 12" x 16"

For example

12x16 Double Mat for 8x12 Photo | Premium White Core Matboard Single layer mat with aOuter size: 12" x 16". Photo Size: 8" x 12". Exact Opening Size: 7. 5" x 11. 5". Bottom mat reveal: 1 4" Double mat. Each layer of matting has a white core and is 4 ply . 055 thick. Bevels are cut at a 45 degree angle. The bottom mat reveal is 1 4" wide around the opening. Premium, acid free and PH neutral matboard. Openings are cut with a overlap on each side. For example, an 8x10 inch photograph will be placed in a mat with a 7. 5 x 9. 5 opening. If