Wrapables Swarovski Elements Crystal Disco Ball Pendant Necklace and Stud Earrings Jewelry Set, Sea Blue The jewelry set is available in various colors. Dimensions: Earrings 0.375" diameter; Necklace length 17.5", Necklace pendant 0.375" diameter. Material: Swarovski Elements Crystals. Made from Swarovski Elements crystals, but is not Swarovski branded jewelry.