If you buy 2 or more Herukka studs you get an automatic discount code in shopping cart. * 1 pair 15€ * 2 pairs 23€ * 3 pairs 29€ Materials used for this item are: * Finnish Birch plywood * Surgical steel Size of earring: varies from 0,7cm-1,1cm These earrings are lightweight and very comfortable. Avoid contact with liquids. Store your Jewellery in a dry place.