Durable VARIO 10-Panel Cubicle Panel Reference System, multi- Assorted Color Borders (553400) Desk system Designed especially for facilities, specifically for partition walls and cubicles 20, letter-size viewing slides Expands up to 60 viewing sides by adding up to two 5359-00 Glare-free, environmentally-friendly polypropylene sleeves with rugged frames Includes metal panel frame, metal sleeve bracket, 10 sleeves and 10 Snap-On tabs