Material and design: Alloy frame with optical glass lens provides durable, clear closeup viewing for daily tasks. Protective and portable: Builtin foldable sliding case protects the lens from scratches and damage and keeps the magnifier compact when not in use. Easy operation: Pull out the magnifier to use and slide it back to store; lightweight and convenient to carry. Educational value: A tool for children to observe the tiny world, helping to cultivate curiosity and observational skills. Size and portability: Compact and lightweight, easy to carry in a small bag or pocket for onthego use. Versatile compatibility: Suitable for inspecting jewelry, beads, clasps, gemstones, coins, stamps, seeds, leaves, insect wings, and other small items. Performance and reliability: Clear optical glass delivers steady magnification for precise inspection and learning. Use scenario 1: Inspect jewelry and crafts details such as settings, clasps, and fine textures to ensure quality and accuracy. Use scenario 2: Examine small collectibles like coins, stamps, seeds, or leaf structures to study micro features without straining the eyes. Use scenario 3: Use at home or in the classroom to teach kids about the micro world, textures, and how small details influence overall appearance.