Insert documents you need to see quickly between the transparent acrylic sheets for quick reference. Both sides remain visible. Designed to protect sheets from weather and wear. High-friction rubber grips hold letter size papers securely in place. Retractable hanging hole. Holds Paper Size: 8 1/2 x 11; Clipboard Actual Size: 9w x 1/2d x 12h; Clipboard Material: Acrylic.