Sterling Silver Wire Wrapped Swarovski Curved Bar Choker Necklace in Sapphire color with SS beads. Sapphire bicone beads are 3mm. Sterling Silver beads are 4mm. Chain is a Sterling Silver Figure 8 style with a lobster claw clasp. Necklace is 14.5 inches with extention chain bringing the total to 17.5 inches. This is a handmade design can be adjusted to your size if need be. Simply let me know in the message section at check out with the size you desire.