SIZE: 1 cm, 1 cm, 0.5 cm long Hypoallergenic, Nickel Free, Hand Made Brass, Hand Painted Epoxy Resin, Surgical Steel Posts This set of earrings features modern coloured enamelled brass and gold plated studs. Wear together as a simple set or mix and match with our other enamel pieces to create a unique 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.