-Material: 18K Gold Plated with E-Coated Waterproof -Metal: Titanium Stainless Steel -Inner Diameter: 18mm -Weight: 5.0 G ✅[Jewelry Caring Tips]All our gold products are plated with a thick layer of 14K-24k gold giving durable plating at an affordable price. With the look of real gold, plated jewelry is a wonderful and affordable way to add a versatile choice to your jewel boxTo maintain the appearance, we strongly recommend avoiding water when wearing your piece, wiping them with a soft cloth after wear; keep them in proper storage to prevent oxidation.💫[About our Packageing]Our Jewelry will be stored and shipped within an Anti Oxidation Zipper Bag along with our designed logo Linen Cotton Bag, well packed within a recycled kraft box, which we think is the best way to protect Jewelry for