These earrings are bang on trend with 925 sterling silver double piercing earrings with cubic zirconia and chain. The stud that goes in the lobe of the ear is 5mm and the stud that goes further up the ear is 4mm. Both studs have butterfly backs. The chain is fixed between the two really creating a pretty look. The chain measures 5cm. The studs are cubic ziconia with a lovely sparkle.