Thank you for viewing. This is a Figaro chain bracelet made of surgical stainless steel (304). The clasp is a folding type. Surgical stainless steel, such as 316L, 304, and 202, is a low-allergen material and is used in medical tools such as scalpels and scissors, as well as in luxury watches. It is a special type of stainless steel with excellent properties, such as being rust-resistant and resistant to corrosion, oxidation, and heat. Unisex (for both men and women) Sizes: Total length 38cm Total length 43cm Total length 48cm Total length 53cm Please specify your desired size after purchase. If no size is specified, we will send the 48cm size. Thank you for your understanding. Chain width: 10mm Material: Surgical stainless steel, gold coating Please feel free to ask any questions.