Swallows enchant us as graceful announcers of springtime and messengers bearing good news. The Lalique Hirondelles earrings are composed of clear crystal mounted on silver. Pin clasp system.For advice on how to take care of your jewellery please visit our jeweller care tips page by clicking here.Due to Health & Safety regulations, we cannot accept returns of pierced earrings.For advice on how to take care of your jewellery please visit our jeweller care tips page by clicking here