Quality stores at your service type: Table Magnifier Model: A4 flat magnifier Magnification performance: 6 times Effective diameter: 297*210(mm)Material: PVC number of boxes: 1 piece Convenient reading magnifier so that lowercase letters are no longer displayed in ChineseIdeal for home, study and officeThe ultra-thin magnifying glass makes it easy to read the smallest letters in contracts, newspapers, magazines, books and mapsJust place it some distance from the text Seller Reminder1, the size is manual measurement, please allow the error (1-3cm)2, due to different monitors, some items may have errors, please refer to the actual product3, after receiving the package, any dissatisfaction, please contact me first, do not easily leave negative feedback, thank you, good afternoon