Material: Alloy,Style1 Size: about 170mm ,Style2 Size: about 175mm ,Package include 1 pc Bracelet ,Color: As picture shows,,Notice:,Pictures are only samples for reference. ,Due to limitations in photography and the inevitable differences in monitor settings,,the colors shown in the photograph may not correspond 100% to those in the items themselves.,Because of manual measurement, it will be slightly different.,Please understand.