18k gold-plated brass earrings with a black square crystal on the lobe and a dangling semicircular element. The square crystal is available in other colors upon request. NUBESdeMAZAPAN jewelry is made from hypoallergenic and nickel-free bronze, copper, and brass, synthetic stones, and Swarovski crystals, in compliance with current Italian and international regulations (D.Lgs 206 of 06/09/2005).