Everything you need to set up a durable, efficient hanging wall file system. Constructed of unbreakable plastic to stand up to busy work environments. Single PocketWall mount hardware included or hang with Partition Hangers, sold separately. Hanging File Systems Type: Expandable Single Pocket For File Size: Letter Overall Height: 6.63" Width: 13.75". Green : Packaging contains recycled content. Plastic components are recyclable.