【DESIGN CRAFT】This wedding ring is designed with Polish finish surface, full of modernity, can be perfectly matched with other accessories. 【DESIGN CRAFT】This wedding ring is designed with Polish finish surface, full of modernity, can be perfectly matched with other accessories. 【SCRATCH PROOF】The wedding ring is made of Jewelry-grade tungsten carbide , the ring is 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. 【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. 【180 DAY GUARANTEE】: THREE KEYS JEWELRY provides 180 day guarantee service. Customers can Return or change size via Amazon, if it can't be solved or there are Any Quality issue, Pls contact us anytime.