Fellowes Office Suites File Sorter is a stylish and contemporary sorter that enhances your workspace and work efficiency. Tough, impact-resistant plastic construction. Nonskid rubber feet protect surfaces from scratches and scuffs while keeping the sorter stable. Seven 1.75" capacity slots for letter or A4 size folders and documents. Stack on Office Suites™ Letter Trays to design your own system (sold separately). Perfect for the office, home office or wherever you need to organize papers and documents.