Foldable hand-held mini magnifying glass, you can put this portable mini magnifying glass anywhere in your pocket, wallet or bag. Easy to use. It can rotate completely The sturdy frame and metal housing protect the lens from dust, scratches and damage. In addition, the luxurious appearance makes it a perfect gift for family and friends The magnification of this project is 20 times. You can use it to check details and small objects. Perfect for checking coins, fine prints, jewelry, stamps, etc Lens diameter: 60mm/2.36 inches; Lens thickness: 10mm/0.39 inch; Thickness of protective shell: 20mm/0.79 inch; Diameter of protective shell: 70mm/2.76. Distortion-free optical lens, ideal low vision reading aid. Suitable for all ages from children to the elderly. It is very suitable for antique lovers, elderly people to read, appreciate paintings and prints, and students to study and experiment.