This item comes With 10 pre-cut mats. The mats are beveled cut. Our acid-free white core Mat Boards are A 4-ply thick paper mat that provide the aesthetic and design benefits of A bright white bevel. The core bevel cut increases the depth and white space of your artwork. These photo frame mats give pictures extra tweak and make them look professional. It can be used for matting photos, art, and needlepoint. Also great for crafts, backboards, signs, children's projects, and school projects.