A two line chain runs two parallel strands together, so it gives a layered look in a single piece. It is lighter than a three-line chain and easier to wear daily, which suits office and festive wear. Check that the two strands lie evenly and do not twist. Choose a length at the collarbone, test the clasp and store flat to prevent tangles. Ask for the weight in grams, a hallmark stamp ... https://www.darjewellery.com/gold-jewellery/women/chains?f=subitem_name:TWO%20LINE%20CHAIN&sort=latest