Please read my profile before purchasing. ☺️ These were only worn once after purchase. They have been wiped down with disinfectant. 【 Hypoallergenic Surgical Stainless Steel 】 ① The highest-grade hypoallergenic material, also used in medical scalpels. ② Extremely resistant to discoloration and rust. ③ Water-resistant, so you can wear them in the bath, hot springs, sea, and pool without worry. This material is very popular with those who have metal allergies, as well as those who don't, because it's "safe to wear all the time! Gentle on the skin!" Retail price: 3100 yen Color: Silver