3 16 stainless steel necklace belongs to ornaments. 3 16 stainless steel necklace belongs to a kind of ornaments. Stainless steel is a kind of corrosion-resistant and non-oxidizing material, which is often used to make jewelry. 3 16 stainless steel is a special stainless steel material with high corrosion resistance and strength, which is widely used in jewelry making. 3 16 stainless steel necklace is very popular in the jewelry market because of its high gloss, durability, difficult discoloration and comfortable wearing. Also often called "stainless steel jewelry", it is an economical and fashionable choice.