This fits your. Backing is also 4-ply thick with both side white. Matboard can be used for matting photos, art, and needlepoint. Also great for crafts, backboards, signs, children's projects, galleries, to sell, shows, art shows, and school projects.
Golden State Art Acid free Pack of 10 11x14 White Picture Mats Mattes with White Core Bevel Cut for 8x10 Photo Backing Bags B017OET4GK