Saunders Recycled Aluminum Redi-Rite Storage Clipboard with Calculator Clip, Letter Size, 8.5 x 12-Inches (11025) Durable recycled aluminum with a minimum of 60% post-consumer waste Letter / A4 size, Made in the USA Features 8-digit LCD calculator clip with auto-shut off and replaceable battery 1-1/2 Inch storage with divider keeps items organized