SIZE: 4cm long Hypoallergenic, Nickel Free, Hand Made Brass, Hand Painted Epoxy Resin, Surgical Steel Posts In modern colours, these simple hoop earrings feature enamelled brass. Pair with smaller hoops for an colourful stack. At least 50% of the brass used in the jewellery we make is recycled from leftover/overhead brass. All posts are hypoallergenic made from surgical steel. Keep jewellery dry. Be careful with fragrances; apply lotions and potions before jewellery. Limit exposure to direct sunlight. Store jewellery in cool, dry place.