stainless steel: Made of high quality stainless steel, durable and no fade, stain resistance. matte finish: The two matte finishing rings are all made of high quality carbon fiber material. This ring features high quality titanium stainless steel, lightweight, and matte finish. for wedding, anniversary, engagement, gift , party: New design of the beveled edge, it's a good choice for you and your friend when you send this ring into wedding, engagement, or party. thin groove engagement ring: The thin groove engagement ring is designed in a highly polished finish.