Details Composition : Titanium Steel Size & Fit Fit Type : Regular Fit S Length: 6.5 inches (16.5 cm), Bracelet Width: 3MM, M Length: 6.5 inches (16.5 cm), Bracelet Width: 4MM, L Length: 6.5 inches (16.5 cm), Bracelet Width: 5MM Cm Inch Size US S 4 M 6 L 8/10 S 4 M 6 L 8/10 Care Instructions Avoid contact with water, other liquids and metals.