Type:Magnifier Material:PVC Description: 1. Magnification: 3x 2. Specifications: 180 × 120 mm, lens thickness 0.5 mm 3. Product packaging: each piece of opp bag 4. How to use: place it in the font above a distance. When using it in a magnifying glass, use it in a pocket or business card holder. 5. Uses: used to read articles, newspapers, enlarge fonts, when used with a magnifying glass, can also be clipped to the inner pages of books, when bookmarks or scales are used 6. Occasion: applicable to hospitals, schools and so on 7. Features: reducing the weight and volume of ordinary plexiglass and glass loupe made by traditional magnifiers