SCRATCH PROOF: The wedding ring is made of jewelry-grade tungsten carbide, durable, scratch-proof, waterproof and never rust. Three Keys Jewelry rings are non-irritating. Never fade nor make skin turn green. Tungsten bands be the first choice as a substitute for precious metal wedding rings SHINY METEORITE INLAY DESIGN: The tungsten ring uses imitated shiny meteorite Inlay with high polished and domed style, modern and stylish yet elegant, suitable for daily wear or wedding use COMFORT FIT: Three Keys Jewelry rings are standard size both for men and women. The fit design creates a maximum comfort experience, and it won't feel uncomfortable even if wear it for a long time IDEAL GIFTS FOR LOVE: Comes with elegant ring box. Ideal wedding Band, engagement ring or promise fashion wedding ring for men and women. Gift choice for him, husband, dad & gift for her as well. This is a romantic gift for astronomers Built for the Long Haul: We take pride in the enduring quality of every ring we craft. Should you ever need a different size or find any detail less than perfect, we are committed to making it right. Your peace of mind is woven into every piece of THREE KEYS JEWELRY.