Transparent bookmark provides 300% magnification! Ideal for reading books, magazines, labels, menus, spreadsheets, maps, and more. Perfectly portable in pocket, purse, desk, glove box, toolbox, and more. Adjust distance from reading material to vary degree of magnification. Includes inch and centimeter ruler marks for added functionality. Comes with a silky black tassel and packaged in a clear plastic sleeve. Bookmark measures 2.5" wide by 7.5" tall.