10x10 Double Mat for 4x6 Photo | Premium White Core Matboard Opening Size: Custom

Opening Size: Custom

Each layer of matting has a white core and is 4-ply/

acid free and PH neutral matboard

Exact Opening Size: 8" x 10

Exact Opening Size: 9

10x10 Double Mat for 4x6 Photo | Premium White Core Matboard Opening Size: CustomOuter size: 10" x 10". Photo Size: 4" x 6". Exact Opening Size: 3. 5" x 5. 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