Spiral Sister Necklace by ISA Collection. Material: 925 Sterling silver All ISA Collection jewellery is designed and handcrafted in Oslo. As a result of the crafting process, you may find some small differences in shape and size. SPLIT 45 x 3cm silver chain, 45g SPLITThis piece is produced on a made-to-order basis and will be shipped within 2-4 weeks from Norway. EU shipping: £15 Global shipping: £25