Thank you for viewing. This is a two-strand leather bracelet. The clasp is a titanium medicine wheel. The medicine wheel is a traditional Native American symbol, representing harmony and balance. Titanium is resistant to rust, blackening, and discoloration, and is lightweight and hypoallergenic. Unisex (for both men and women) Sizes: Total length 35cm (fits wrists approximately 16cm) Total length 39cm (fits wrists approximately 18cm) Total length 43cm (fits wrists approximately 20cm) (Example: For size, if your wrist is between 17.5cm and 18.5cm, the 39cm total length will be a good fit.) Please specify your size after purchase. If no size is specified, we will send the 39cm total length. Thank you for your understanding. Leather: 3mm Medicine wheel: 13mm Materials: Genuine leather (cowhide) Medicine wheel: Titanium Colors: Leather: Natural (brown) Medicine wheel: Silver gray Please feel free to ask any questions.