Fashion Jewellery Teardrop Necklace Earring Set with Royal Blue and Clear Crystals. Necklace Length - 12 Inch + 5 Inch Extender, Pendant Length - 2 cm, Clasp - Lobster. Earring Length - 2.5 cm. Back Type - Post. Back Material - Surgical Steel. Jewelry Material - Brass. Jewelry Plating - Silver.