8mm tungsten ring is crafted from premium tungsten carbide, which is scratch-resistant and durable to keep its shiny after long time. You can wear it daily and don't need to worry about damages and allergies. This tungsten ring is domed in style, hawaiian koa wood and blue opal are exquisitely inlaid to the ring surface, making it a fashion look. The inner surface of this tungsten carbide ring is high polished & comfort fit, which can give you a comfortable feeling when you wear it. Perfect for wedding, engagement, anniversary, banquet, party, appointment and Christmas gift. Our rings are made with a standard US ring size.Please check your ring style and ring size before proceeding . If you are unsure of your ring size, it is recommended that you have your finger sized by jeweler.