100mm Large Magnifying Glass, Strong Handheld Reading Magnifier Glasses Shatterproof magnifyf Lens with Non-Slip Rubber Hand-held Gift for Kids Boys Girls Children Insect Seniors Visually Impaired. HIGH-QUALITY MAGNIFICATION: The magnifier's actual physical magnification is 3-4X, which satisfies a variety of needs, while the 10X refers to its optical magnification concept rather than the actual physical magnification.