Our Fancy Avalon Skull Necklaces are constructed using traditional European 4-1 weave and anodized aluminum rings. They contain no lead or nickel, they are hypoallergenic. They can be ordered in a wide variety of colors or you can contact us to do custom colors. These pieces have three dangling skulls and decorative drop chains. 18" is the standard length, if you need a different length just let us know.