Classic collection brilliant hoops: 
 
Material: Surgical Steel, 18k gold plated, special sealing, no-discoloration, waterproof & hypoallergenic. 
 
Measurements:1,3 cm 
 
Jewelry care: Do not wear the jewelry in bath, in the sea or a swimming pool. (Chlorine can affect the jewelry)
Avoid contact with cleaning agents, perfume, lotions etc.