DeskMate II with Calculator is a necessity for anyone who needs a weather-resistant, mobile office that looks professional and helps you stay organized. This portable desk has a handy, solar/battery-powered calculator and a strong, low-profile clip with rubber grips. The metal clip safely holds up to a 1/2″ stack of important documents or a 1/2″ thick notepad. The internal storage compartment can hold writing instruments, notepads, literature and much more. Proudly assembled by adult Americans who are blind or who have disabilities. Manufactured of lightweight, durable polypropylene. Holds Paper Size: 8 1/2 x 12; Clipboard Actual Size: 10w x 2 1/2d x 16h; Clipboard Material: Polypropylene; Clip Capacity: 1/2″.