[Acrylic Material] The lens is made of acrylic and the hose is made of silicone, which provides crystal-clear image quality with minimal distortion, ideal for seniors with aging eyes and low vision. [Large Viewing Area] This large square magnifying glass has a large viewing area of 240x170mm/9.44x6.7inch, which is the visible area size. It can magnify 180% without distortion. [Suitable for Various Scenes] The hands free magnifier can be hung around the neck and put on the table to use. This handheld magnifying glass has detachable lens, suitable for most people and different occasions. Ideal for reading books and newspapers, using mobile phones and tablets. [Easy to Adjust Lens] This magnifying glass only weighs 8 ounces and you can adjust the lens at any angle without worrying about its stability, suitable for long reading sessions, close work, sewing, -stitching, inspection, repair, crafts. [Widely Uses] Our magnifier is suitable or most seniors who are hard to read small print on