Womens ring is 10kt black plated princess cut 5*7mm blue cz mainstone wedding ring,stamp:10kt.Mens ring is tungsten carbide wedding bands,8mm width,2.5mm thick.stamp:tungsten carbide.Products with poor quality in the market often use low-cost plating materials,simple process,many impurities,harmful substances in the human body,easy to oxidize,easy to fade,and easily lead to skin allergies. The ring color is permanent,it is not easy to be oxidized,it is lead-free,nickel-free,safe to wear,allergy is eliminated,and it meets EU environmental protection standards.Material:It does not contain nickel or lead. It conforms to European and American environmental standards,and is more comfortable to wear and not allergic.Inlay:Select qualified stone inlays,check the finished products one by one, and do anti-falling stone test,strictly control the problem of stone,rotten stone and dumb stone.Plating:5 layers of plating protection,color retention for more than 1 year. 1.The ring photos capture all the physical. 2.Our promise 60 days full refund no restocking fee, Whether the size is not suitable or you don't like it, you can replace it for free. 3.FREE GIFT BAG WITH EVERY PURCHASE: You will receive a cute little jewelry bag for each ring. Please take off when sleeping,Store your jewelry inside this soft cloth pocket or fabric swath. 4.About the size measure Measure your finger size before purchase, for band and ring sets can not be resized. The paper measurement is intended for reference only. We would like to suggest you have your finger sized at a jewelry store for an accurate ring size. 5.Couple rings,Anniversary Rings,Engagement Rings,Eternity Rings,Promise Rings,Wedding Bands,Wedding Rings,Valentine gift