Professional Quality Magnifying Lenses Made of high quality frenel lens designed for people with low vision, seniors, hobbyists and professionals. The Perfect Lens For Any Task The 3X magnifying lens is ideal for reading and inspection, it is perfect for, electronic repair, and examining extremely small texts, images, and objects or even solar projects to start fire(must be under adult supervision)! Comes with 3 Bonus Bookmark Magnifiers You will receive one Page Magnifier and three BONUS bookmark magnifiers in the package. Easy Reading & Relieve Eye Strain The magnifying sheet is ideal for reading small print on maps, instructions or books and has the ability to magnify full pages, Handy 4.5inch x 7inch size lets you see full page for books, magazines, newspapers and maps. Features of our Page Magnifier 7inch x 4.75inch magnifying lens 3X lens focal length: 2.5inch to 3.5inch Ultra-thin can be easily put into bag and bring it wherever you go Backed by a 100% No-Hassle, RISK FREE Money Back Guarantee Offered by MagniPros! If you are not completely satisfied with our magnifying glass, we will give you a full refund. No questions asked!