Listing because I accidentally bought two. Even for someone like me with metal allergies, I could wear it all the time without itching or turning red. It's cute in two colors: gold and silver ☺︎ Approximately 34cm + adjuster approximately 3cm ＜Features of Surgical Stainless Steel＞ ・Stainless steel also used in medical instruments ・Strong against sweat and water, and rust-resistant ・Suitable for metal allergies Surgical stainless steel is a coined word made up of "surgical" (medical) and "stainless steel" (rust-resistant iron), and is a safe alloy with little effect on the body. Therefore, it is safe for those with metal allergies, and it is also resistant to corrosion and heat, so it has the advantage of not deteriorating easily even when worn for a long time. ※ Although surgical stainless steel is a material that is unlikely to cause allergies, the causes of allergies vary. We do not guarantee that allergies will not occur in everyone. Also, please refrain from using it if you experience an allergic reaction. Ships via Yu-packet