Crafted from 14k white gold and stamped 14k. Made in the USA. We are an American owned and operated company Size: 0.7 inch diameter. (0.7 inch is equal to 18mm outside diameter) and 1mm tube thickness Flexible, lightweight wieght polished endless hoops great for second hole, lip, nose, or cartilage piercings Shipped in an elegant gift box! 14k White Gold Endless Hoop Earrings, 14k Gold Thin Hoop Earrings, Cartilage Earrings, Helix Earring, Nose Hoop, Tragus Earring, 10 -18mm