Onyx Steel Triple Wall Pocket, Letter, Black, 12 X 3 1-4 X 17 1-4Wall pockets will help you organize your clutter. Made with steel mesh construction and a powder coat finish, these pockets are sturdy and stylish. Keep charts, papers and files out of the way but within easy reach and organized. Wall mounting hardware included. Hanging File Systems Type: Hanging Multiple Pockets; For File Size: Letter; Overall Height: 17. 25"; Width: 12". Package Includes: Includes triple letter size mesh pocket.