The La Bling with Black Swarovski crystals has a elegant rock and roll feel for day or night! The crystals are 7x5mm in size and the necklace is 20” long with a clasp in the back. Material: Silver Plated Link Chain Dipped in Gunmetal Set With Black Crystals Loop: 30mm in diameter; Silver Plated Dipped in Gunmetal Necklace length: 20 inches