Dimensions in Inches Each 13.9 x 4.1(top)/2(bottom) x 8.5 inches, suitable for A4 size folders, files, papers and other letter-sized paper products. Stackable Design These wall mounted file folders can be used individually as a single pocket or stacked together. Mounting Screws Provided Each hanging file organizer comes with screws so that you can easily mount it on the wall. Premium Clear Acrylic Made of sturdy & durable transparent acrylic material, it is more convenient to figure out what is in your pocket. Applicable Scene They can be used in a variety of environments, including home, office, school, and other work environments to help you stay organized and easily access important files.