This very versatile oval porcelain plaque is perfectly plain, flat and measures 3 3/8" x 2 5/8". It is flat on the front with slightly rounded edges and unglazed on the back. It is ideal for use with photographic images and can be mounted on address books, scrap books, photo albums or on wood or granite for memorial plaques. It is very high quality and has a smooth surface. They can also be used for jewelry. These plaques are made in Japan.