PA Oval 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. Single layer mat with an interior bevel edge. 16"x 20" /11"x 14" White Core White- Sizes refer to exterior dimension and recommended photo, or art, size, with inside edge overlapping some of image. Actual inside oval measurements 10.5"x 13.5". White outer surface with White core bevel. Acid free but for Non-Conservation Framing