Officemate Triple File Clipboard Storage Box - 8 1/2" x 11" - Spring Clip - Black - 1 Each Clipboard storage box features a nickel-plated, steel spring clip that holds paper securely. Design includes five separate compartments for notepads, calculator, clips, 12" ruler and more. Clipboard storage box holds letter-size and A4-size documents and made from 30 percent post-consumer recycled plastic.