This is a specially designed piece using the classic handcrafted round beads as well as a new teardrop design, both made of genuine black clay from Oaxaca. Stung on nylon coated stainless steel wire and sterling silver toggle clasp, this necklace is as durable as it beautiful. Genuine black clay beads from Oaxaca / sterling silver beads from Taxco on nylon elastic cord 21 7/10" necklace. Black clay teardrop beads: 9/10" long, sterling silver beads: 1/7" round - Slight differences from the photo are to be expected -