Wall Expansion Set is designed for use in the Tarifold Wall Unit Organizer & Partition Wall Bracket Starter Set & includes 10 PVC pockets in assorted frame colors, mounting plate, index tabs, pluggers & hardware. Letter-size, pivoting pockets are designed for optimum visibility. They offer strong protection for your documents against dirt, spills & dust, even with intensive use. Wire-reinforced, display pockets are rigid but flexible enough to insert & remove documents easily. Vertical mounting allows quick eye-level reading.