Stackable Wall DocuPocket offers easy storage for your letter-size files & documents. Pockets stack without putting additional holes in your cubicle walls with the included linking pins & mounting hardware. Linked pocket height expands from 14" to 19". Wall pocket is compatible with Deflecto EZ Link Partition Brackets to hang wall pocket over the cube wall & EZ Link Magnets (both sold separately) to attach to magnetic surfaces. Pockets are made of durable plastic.