OVERALL SIZE (Made to fit a Frame Size Measuring) 7x7 Inches | Bevel Cut Square Opening Size of 4.5x4.5 inches | For a Photo Measuring 5x5 Inches. THIS IS FOR A PACK OF 10 MATS only w/o acid free backing boards or self seal clear bags. TEXTURED WHITE PHOTO MAT with a Square bevel cut opening. A Great way to change up the look of an existing frame with a new accent mat board. This matte also works great as a replacement for damaged, dirty, or fadded matting in your old frames. PREMIUM QUALITY: Our precut photo matboards are acid free & precision cut with a 45 degree bevel by machine for perfect corners and NO over-cuts every single time! All of our Precut Matboards are proudly MANUFACTURED IN THE USA.