Specifications: Perfect-sized magnifiers for jewelry identification . It is made of material, durable enough for your using. Compact, lightweight, not only foldable but also portable. Item Name: Glass Magnifying Magnifier Material: Metal, Plastic Color: Silver Features: Glass Magnifier, Jewelry Identification Tool, Foldable, Portable Magnifying Power: [Our Size 10x-21mm, 20x-21mm, 30x-21mm]: Open Size: 60mm x 24mm x 18mm/2.36" x 0.94" x 0.71", Foldable Size: 36mm x 24mm x 18mm/1.41" x 0.94" x 0.71" (Approx.) [Our Size 10x-18mm]: Open Size: 52mm x 21mm x 18mm/2.05" x 0.83" x 0.71", Foldable Size: 32mm x 21mm x 18mm/1.26" x 0.83" x 0.71" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Glass Magnifying Magnifier