SIZE: 1.5cm long Hypoallergenic, Nickel Free, Hand Made Brass, Surgical Steel Posts In a matte tone, these nature-inspired hoop earrings feature a branch design for a botanical statement. At least 50% of the brass we use in the jewellery make is recycled from leftovers. All the posts are 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.