Outside Diameter: 0.88" (22.4 mm) Tubing is 5 mm wide Each hoop weighs 4 grams (considered lightweight) Made from plated brass and Cubic Zirconia stones Plating is 0.03 microns + e-coating for long lasting durability Plated high polish Rhodium for maximum shine Hand set CZ stones for a luxe fine-jewelry look Posts are made from surgical steel so they are very hypo-allergenic for sensitive ears Earrings are 100% nickel-free and cadmium-free As seen on Beyonce, Kendall Jenner, Gigi Hadid, Matilda Djerf, and Gizele Oliveira