These necklaces have a infinity pendant. Length: 16” with extension. They feature a small rope chain. You can cut the extension part off if it is too long. The infinity necklace is well plated with 18k gold, and it will keep its color for at least one year. These necklaces are a great accessory for you when you are going to party, vacation, or everyday streetwear. Also you can wear it in water as it is tarnish resistant. Perfect gift!