Black and silver choker necklace, Beaded choker, Seed bead necklace, Stainless steel jewelry There are two clasp options: stainless steel clasp and chain, the clasp and chain are made of brass with 18k gold plating, so the necklace won't lose its look over time! Measure the length of your neck with a measuring tape or you can use any thread, rope, or cable for telephone and after apply the measurements to a regular ruler. Choker is 13 inches with a 2 inches adjustable extender chain. 15 inches full length. The necklace is made with 10/0 size Czech seed beads.