About this item Blued Stainless Steel stainless steel Imported Slip On closure The keychains are made from four different metals: Brushed stainless-steel keychain: natural colour, polished to perfection, durable and scratch proof. Blued stainless-steel keychain: unique way of burning the metal, a range of natural colours and unpredictable colour patterns. Pure titanium keychain: lightweight and subtle with amazing colours, made using heat anodizing.