These 3 Necklaces were made using rose gold filled, black or 925 sterling silver chain that have extenders making them adjustable from 17" to 19" to 21" in length. The handcrafted pendants are hollow square in shape with 3 oval faceted pink tourmaline gemstones in each. They are plated with rose gold, black rhodium and 925 sterling silver. * Your purchase will arrive in pretty packaging