APPLICATION-You can replace your broken or worn watch lenses. Suitable for watch repairers to replace lenses and watch enthusiasts to use.ABOUT THIS PRODUCTS-Good transparency, smooth surface, easy to clean, just wipe with a soft cloth after long-term use.-The watch lens is made of optical glass, which is wear-resistant, durable, corrosion-resistant and can be used for a long time.SPECIFICATIONMaterial: Optical GlassColor: ClearDiameter: 20mm / 0.79-inchThickness: 1.1mm / 0.04-inchPackage: 6 x Watch Lens GlassNOTE-Please confirm the lens size you need.