Fellowes 7502301 Partition Additions Waterfall File Sorter, 12 x 19 1/4, Clear/Dark Graphite Organizes your most important projects! Five transparent sleeves keep files visually accessible Each sleeve holds up to 15 sheets and accommodates most document sizes Stepped sorter makes it easy to organize and prioritize documents Innovative ViperPin technology mounts sorter vertically or horizontally to cubicle walls Securely holds up to 5 lbs. without damaging mounting surface