PA Double Framing Mats let you turn your photos and artwork into dramatic and exciting home decor pieces that can be hung on your walls, displayed on an easel, or even decoratively framed. Double layer mat with both layers having beveled edges. 5"x 7" /3.5"x 5" White Core Soft White /Soft White- Sizes refer to exterior dimension and photo or art size, with inside edge overlapping some of image. Actual inside measurements 3"x 4.5". Soft White upper mat with Soft White inner mat, both with White cores so bevels will be this White. Acid free but for Non-Conservation Framing.