12x12 Double Mat for Custom Photo | Premium White Core Matboard Outer Photo Sizes: 2" x

Outer Photo Sizes: 2" x 3" (1

This collage is available in a double mat here

Outer size: 8" x 10"

If you need to adjust the exact opening size

12x12 Double Mat for Custom Photo | Premium White Core Matboard Outer Photo Sizes: 2" xOuter size: 12" x 12". Opening Size: Custom. 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 you need to adjust the exact