Description Large Field of View: The large size 10X magnifier gives you a wider field of view and allows you to observe subtle presence without distortion - the best operating distance between the magnifier and the magnified object is 3-5 cm Ergonomic and safe design: the non-slip handle is designed particularly for long hours of reading without feeling tired Gifts for grandparents: this lightweight magnifying glass will help your grandparents to see and read clearly, well packaged and comes with cleaning cloth and velvet bag, easy to carry and use Wide usage: for seniors, children and adults reading professionals, viewing maps, checking equipment, observing animals and plants, repairing watches, collecting coins, observing insects, etc Product diameter: 95X55MM