18k Gold Plated Bamboo Hoop Earrings made with Titanium Steel Tarnish Resistant Jewellery 4.6 cm round. Beautiful Statement Earrings, but still lightweight for wearing when you like... Water Proof / Sweat Proof / Hyper Allergenic / Use at Gym, swimming... yours to enjoy Enjoy the elegance of 18k gold plated jewellery with the strength of medical grade 316L stainless steel. Waterproof ✅ | Tarnish resistant ✅ | Hypoallergenic✅