3.1mm Sterling Silver Bali Byzantine Borobudur "SQUARE" Oxidized Necklace Chain (Nickel Free)- 7, 8, 9, 18, 20, 24in "SQUARE" Byzantine Bali Design Oxidized Finish Nickel Free Vintage Look Choose Length: 7, 8, 9, 18, 20, 24in Width 3.1mm