SIZE: 18'' + 3'' Extender Chain long Hypoallergenic, Nickel Free, Hand Made Brass, Hand Cut Glass Stones Cosette Alure 2 Baguette Plated Brass Belcher Chain Necklace With Lock 2225 Keep jewellery dry. Be careful with fragrances; apply lotions and potions before jewellery. Limit exposure to direct sunlight. Store jewellery in cool, dry place.