Combining beauty and comfort A necklace for people with metal allergies. The metal fittings and chains used in the necklace are made of high-quality, skin-friendly materials, primarily 316L surgical stainless steel, so that people with metal allergies can wear them with peace of mind. This necklace for people with metal allergies combines a sophisticated design with a comfortable fit, allowing you to enjoy fashion while wearing accessories that are gentle on your skin.