24/7 comfort Tarnish-free guaranteed Irritation-free guaranteed Safe to shower in, bathe in, swim in, live in Materials: Stainless Steel (316L) 18K gold PVD-coating Measurements: in mm Small Height: 10.5 Width: 7.75 Depth: 2.0 Weight: 4.1g Large: Height: 18.0 Width: 17.5 Depth: 4.0 Weight: 2.5g *Please note that screw back earrings have slightly thicker posts. However, piercing holes will not be noticeably stretched. Not sure which earring backs to choose? CLICK HERE