Allergy-free, nickel-free medical plastic bezel round 4mm earrings with a large shimmering crystal. The crystal is set in high quality medical plastic for a refreshing lightweight feel. Medical plastic is 100% hypoallergenic and designed in by skin specialists to make sure our jewellery is comfortable and safe to wear all day, every day. The earrings are made in Sweden and the processs is fully controlled and documented for guaranteed safety. Blomdahl earrings are sold by the pair with backs and come in a sealed hygienic clean pack.