Crystals the most natural type of gem you can get. These earrings look just like crystals. Although they are made from a high quality resin you would think they are the real thing. Comes in four different colours. Crystal made from coloured resin Earring Findings - 304 Stainless steel, hypoallergenic material, good for sensitive ears. Approx. 1 3/4in or 4.5cm