Makes it possible to read a paperback using one or no hands. The folding clip holds both the left and right sides of paperbacks and allows easy flipping of pages. Accommodates any thickness of paperback and, when folded, can be used as a bookmark. Molded of strong, transparent plastic. Dimensions are 3/4 x 5 1/4" (1.9 x 13 cm) closed length; 9" (23 cm) open length. Weighs .04 oz. (.017 kg).