These thin Fresnel lens are well made, easy to carry; They are simply designed, comfortable to use Place the magnifier the object to be observed so that the lens is parallel to the line of sight, distance imaging is clear and magnification is nice, find the better viewing position when moving the identified object The pocket magnifier is flexible and its magnification is 3x, good PVC, providing clear and nice viewing effects Suitable for reading newspapers, maps, and magazines, good for home traveling, experimental observation and others Lightweight and pocket size; You can place it in a purse, wallet, pocket and so on; It will not take too much space, Manufacturer: Zeiwohndc