1、Multiple Sizes: 41pcs sapphire watch lenses are 1.2mm thick and range in diameter from 20‑40mm. The watch lens is compatible with a wide range of watches and provides a clear view of the watch face. 2、Sapphire Glass: Watch glass lenses are made of Sapphire glass, not easy to break, sturdy and long lasting. Good transparency, slick surface, high temperature resistance, scratch resistance, wear resistance. 3、High Transparency: The watch glass lens is very transparent, with rounded and slick edges, comfortable to the touch, and no scratches.Enhances the overall appearance and functionality of the watch. 4、White Translucent Layer: Ordinary optical glass has a green translucent layer in the center, while the sapphire glass interlayer has a white translucent layer instead of blue. It is clearer and more beautiful than flat glass. 5、Easy to Clean: Sapphire glass is easy to clean, just wipe it with a soft cloth after long term use. Please do not use too hard paper or cloth to avoid scratching the glass surface and affecting the appearance of the watch. Item Type: Sapphire Glass Watch Mirror Material: Sapphire Glass Size: Approx. 1.2x20mm, 1.2x20.5mm, 1.2x21mm, 1.2x21.5mm, 1.2x22mm, 1.2x22.5mm, 1.2x23mm, 1.2x23.5mm, 1.2x24mm, 1.2x24.5mm, 1.2x25mm, 1.2x25.5mm, 1.2x26mm, 1.2x26.5mm, 1.2x27mm, 1.2x27.5mm, 1.2x28mm, 1.2x28.5mm, 1.2x29mm, 1.2x29.5mm, 1.2x30mm, 1.2x30.5mm, 1.2x31mm, 1.2x31.5mm, 1.2x32mm, 1.2x32.5mm, 1.2x33mm, 1.2x33.5mm, 1.2x34mm, 1.2x34.5mm, 1.2x35mm, 1.2x35.5mm, 1.2x36mm, 1.2x36.5mm, 1.2x37mm, 1.2x37.5mm, 1.2x38mm, 1.2x38.5mm, 1.2x39mm, 1.2x39.5mm, 1.2x40mm 41 x Sapphire Glass Watch Mirror 1 x Storage Bag