Angled wall bracket to keep sleeves open. Expand by adding systems side by side. Glare-free, polypropylene sleeves with rugged frames for heavy use. Includes wall bracket with mounting hardware and template, sleeves and snap-on tabs. Assorted Borders—Two each black, blue, green, red and yellow. Rack Style: Reference; Material(s): Polypropylene; Sheet Capacity: 20; Number of Compartments: 10.