The opening size is 10.5"x13.5" for 11x14 print.
The mats are cutted at beveled.
Our acid-free whitecore matboards are a 4-ply papermat that provide
the aesthetic and design benefits of a bright white bevel., Each sheet
of mat board has a richly colored front surface and white core. It can be used for matting photos, art, and needlepoint.
Also great for crafts, backboards, signs, children's projects, and