Do not try to force the insert to fit your watch if it is not the right size. Material: Ceramic. These inserts are made with ceramic and easy to break. Color Options: Black/White, Black/Gold, Black/Red, Black/Blue, Black/Green, Black/Yellow, Black/Color, Blue/White, Blue/Gold, Dark Blue/White, White/Black, Green/White, Green/Gold, Matt Black/White, Matt Black/Black, Matt Black/Blue, Matt Black/Red, YM 12H Silver, YM 12H Black, YM 12H Yellow Gold, YM 12H Rose Gold, YM 24H Silver, YM 24H Black, YM 24H Yellow Gold, Rose Gold, YM 24H Brown, YM 24H Blue, YM 24H Purple, YM 24H Rainbow.
