Thin and flexible Magnifying Bookmark Sheet can enlarge print up to 150 %, just hold it about 4 inches from the image you want to magnify.Leaving this pocket magnifying bookmark in your Bible or a favorite book will not damage the spine or pages because it is ultra-thin, and flexible.Magnifying pocket sheet Handy Bookmark Size Flexible and Thin Magnifies up to 150 % Doubles as Bookmark Packaged in Self-seal Bag Size: 7.25 x 2.5 x 0.01 (185 x 65 x 2mm)