11x14 Double Mat for 8.5x11 Document | Premium White Core Matboard The bottom mat reveal is

The bottom mat reveal is 1/4" wide around the opening

For example

Openings are cut with a ¼” overlap on each side

Exact Opening Size: 9

11x14 Double Mat for 8.5x11 Document | Premium White Core Matboard The bottom mat reveal isOuter size: 11" x 14". Photo Size: 8. 5" x 11". Exact Opening Size: 8" x 10. 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