Display Expansion Unit is designed to expand the Tarifold Desk Stand Desk Starter Set (sold separately). Two-sided wire-reinforced pockets provide strong protection for your letter-size documents against dirt spills and dust even with intensive use. Display pockets are rigid but flexible enough to insert and remove documents easily. The 10 polypropylene pockets offer a 20-sheet capacity for 20 views. Pockets pivot for easy viewing. Tarifold Reference Wall Display Unit White 1 Each (Quantity)