Chain is made of metal and comes in many types of links, thicknesses and colors. There are Box Chains (Square, Rectangle and Bamboo), Snake Chains and Cable (Link) Chains. There is Gold-Plated (shiny and darker), Silver-Plated (shiny and darker), Antique Gold-Plated (shiny and darker), Antique Silver-Plated (shiny and darker), Black-Plated and Copper-Plated.