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 four 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.