Space-saving wall file pockets pack a lot organization into a compact space. The pocket storage attaches directly to walls or solid doors with the hardware provided. Customize the amount of storage you need with flexible add-on system to suit your business needs. Deep pocket holds multiple files or papers without damaging. Files can be accessed and returned quickly. Made of durable black plastic. Add-On Pocket. Hanging File Systems Type: Single Pocket; For File Size: Letter; Overall Height: 7"; Width: 13".