Cosmos &reg; 3 PCS Assorted Colors Bookmark Magnifiers with Built in Ruler 3X Magnification Simple, compact device works as both a magnifying glass and bookmark with 8cm / 3 inch ruler Can be used to mark your page, and make out the fine print along the way Each package comes with 3 magnifying bookmarks with a cross charm and different saying Offers 2X-3X magnification depending on distance to object Size: 5.5" x 1.5"