The opening size is 4.5"x6.5" for 5x7 print.

The mats are cutted at beveled.

The backing is also 4-ply.

The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap.

Please enlarge the color image to see the texture. (To enlarge the color image, please point your mouse to the "+" icon located at the end of the color code.)

 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, a white core and a white backing. It can be used for matting photos, art, and needlepoint. Also great for crafts, backboards, signs, children's projects, and school projects.