Product size: handle 4.41 inches/11.2 cm; outer diameter: 3.93 x 2.08 inches/10 x 5.3 cm; inner diameter: 3.77 x 1.89 inches/9.6 x 4.8 cm; Note: This magnifying glass has a magnification of 5X, which is different from other 3X. Large field of view: The large size 5X magnifying glass provides a wider field of view, allowing you to observe fine details without distortion. The optimal viewing distance between the magnifying glass and the object is 3-5 cm. Ergonomic and safe design: The non-slip handle is designed for comfortable, long-term use without hand fatigue. Ideal gift for seniors: This lightweight magnifying glass helps older adults see and read clearly. It comes beautifully packaged with a cleaning cloth and a velvet storage pouch for easy carrying and protection. Wide range of uses: Suitable for reading, viewing maps, inspecting equipment, observing plants and animals, watch repair, coin collecting, insect study, and other detailed tasks.