Mirror Size: 20-inch. It can visually make your home more spacious The wall mounted mirror provides a crystal-clear, distortion-free reflection. A best choice for your entryway,bedroom, living room wall decor or over a dresser. Easy to Install: Install the expansion screws (contained in the package) into two drilled holes, and then hang the mirror on the screws. Please make sure that the mirror is mounted properly in order to ensure it is safe to use. If you have any problems , we will provide you with the professional answers.