16mm Harry Potter Slytherin pendant with chain. The image for this pendant is cut directly out of a Harry Potter book and is an original image, not a copy or printout. The image is covered in a glass cabochon. The backing is a silver coated copper. It comes with a 24" ball chain necklace with a chain coupling. A handmade one of a kind item that any Harry Potter fan is sure to love! *Water resistant sealant used, not a water-proof item.