Contemporary reference system. Sleeves and sleeve frames contain an antimicrobial agent inhibiting microorganism growth on the product surface. Panels open at the top and inside edge for fast insertion of sheets. Paper Secure corner clip holds pages safely in place. Documents easily slide into sleeves for quick information display. Wall Mounted. Rack Style: Wall System Materials: Polypropylene PVC Sheet Capacity: 20 Number of Compartments: 10.