Product details Waterproof💧💧💧 Stainless Steel - Waterproof. 18k gold Hypoallergenic Nickel free Size:12 mm (inner diameter) thickness (5mm) Designer note Handmade from polished gold now introducing the candongas hoop earrings. Classy hoops will forever and always be everyone's go to essential piece to an eccentric wardrobe. Style the tube-like shape hoops with your preferred gold chain. We love this petite version of the hoops. Style tip: a classy wardrobe includes the candongas hoop earrings and the snake necklace... Take note *if the hoop isn't working, try pressing a little tighter down to the post part when you put on the earrings*