Book Holder Roberts Non Slip Products Inflation Bulb Only for the Instrument and Solution Stands Inflation Bulb Only for the Welch Allyn item #DS58 30 x 60 x 12 * End to End * The board rocks to stimulate the balance control feature of the inner ear * Covered with a non slip surface * The manufacturer ships this item by truck 4 cm) for storage or travel * Shipping weight is 2 lbs at a comfortable reading angle * It is an ideal computer text aid or cook book holder * Molded of strong plastic it consists of a flat base a backrest and two adjustable pegs that prevent pages from flipping yet allow for easy page turning * The book holder has a built in handle and folds flat to a compact 7 1 2 x 14 x 7 16˘ (19 x 35