Type: Accessories Material: Stainless steel Length: Long: 50cm, short: 45cm Extension chain: 5cm Maintenance: Sealed storage: Store in the gift box to prevent surface oxidation from contact with air. Stay away from cosmetics: Try to avoid contact with acidic substances when wearing them, such as skin care products, perfumes, hand sanitizers, etc. Keep dry: Please avoid wearing them when bathing and swimming, and keep them dry.