Officemate Grande Central Filing System, Starter Pocket with Pen, Pencil Holder and Envelope/Post Card Slot, Black (21720) Suitable for centralized office mail or filing systems or for individual office or cubicle use Starter pocket comes with pen or pencil holder attachable to either side Special slots for Number 10 envelopes or postcards allow easy retrieval Easy to assemble. Mount to walls easily with included mounting hardware. Hangers not included. Labels for categorizing files are included Made in USA