1Perfect Size: Watch bezel insert ring outer diameter is 40mm, inner diameter is 31.6mm, and the arch height is 2mm. 2Beautiful Look: Bezel insert ring adopted clear scale design, with exquisite appearance, which can make your watch dial more beautiful. 3Prevent Scratches: Ceramic watch bezels insert can prevent daily scratches and provide extra protection, provide perfect fitment for your watch. 4Excellent Ceramic: Watch bezel insert is made of high hardness ceramic material, which is a wonderful replacement part for the old or broken one. 5Easy to Install: Just hold your watch and place the ceramic bezel insert ring on the top, apply adhesive on the ring to make it is easy to attach.