These chains have lobster locks for added security. The picture do not justify the look and beauty of these chains. The approximate weight of the chains are as follows. 16 Inch 1.65 grams.18 Inch 1.75 Grams. 20 Inch 1.90 Grams. 22 Inch 2.10 Grams. 24 Inch 2.20 Grams. 26 Inch 2.35 Grams. 28 Inch 2.45 Grams. 30 Inch 2.55 Grams. Please let me know if you need anything else or have any questions. We will try our best to reply as soon as possible, usually within 24 hours or less. The item "14K Solid Yellow Gold Cuban Link Chain Necklace 30 Men's Women" is in sale since Sunday, February 10, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Precious Metal without Stones". The seller is "daveluxurywears" and is located in Brooklyn, New York. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Viet nam, Uruguay.