NSC600 Made with Genuine 1st Quality Swarovski NEW Jet Crystals Black/Silver with Polygon(item # 6012) Drop Down and Earrings look Awesom! We have handcrafted each Necklace using our own original designs. All of our designs are based on beautiful and unique Vintage Style Jewelry from many different eras. We always use the finest quality of Crystals and componentsMaterial Used: Genuine Swarovski Two Shaded of Jet Crystals 4mm bicone & Polygan Bead(item #6012) Swarovski Crystals code #Necklace Length: 16 inches with extension 2 inches have lobster clasp for adjustmentsEarrings: Genuine Sterling Silver chain with Polygan beads (item # 6012) measuers 1 1/4 inch longDrop Down: Measures 1/2 inch longGuarantee: 100% Satisfaction for Material & Workmanship used in making ths Jewelry We can make matching Bracelet and/or CUSTOMIZE the Jewelry per your style, color choices