[20cm]
1PC Plastic Acrylic Parabolic Mirror Concave Minor Focus UV Protection Sturdy Durable Reflective mirrorMaterial: AcrylicDiameter of lens: 10cm 20cm 30cmFeature:Breakahe-proof, UV Protection, Sturdy And Durable.Lightweight, safety, mirror image clearly.Note: there is a protective film oF each lens, there is strach one the film not on the lens, pls tear it off before use it.