SIZE: 4.5cm Hypoallergenic, Nickel Free, Hand Made Brass, Surgical Steel Posts These unique silver or gold plated hoop earrings feature barbwire details. A statement piece that can be worn alone or with smaller hoops. 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.