These classic earrings are 18k gold & high quality surgical grade stainless steel, making them both hypoallergenic and comfortable for all-day wear. You can enjoy the freedom to run, shower, sleep, play, create, and travel without having to take them out. Our lightweight hoops are meant to be lived in! So why wait? Embrace the endless style with our Endless Hoops and experience the perfect blend of style and quality! 13 mm inside diameter