Benefits/features hypoallergenic brass earrings suitable even for the most sensitive skin. Farma Bijoux earrings are made of processed brass, a copper-zinc alloy, free of nickel, cadmium, lead that is used over time in many applications. Many designs feature Swarovski crystals. Swarovski guarantees crystals of unique quality. Italian product made with respect for nature packed with FSC certified paper. do not cause allergies and irritations do not contain nickel certified by Aldeco (Italian Association of Dermatologists & Cosmetologists) !-Attention! For hygiene reasons, returns on earrings are not accepted-!