Charm measures 1/2” x 3/8" Sterling silver or 14k yellow gold plate 16" chain with 2" extender Choosing to wear a good luck charm, such as the Hebrew letter combination Chai, is an excellent idea. The two-letter combination is one of the top ten Judaic pieces of jewelry, and it blesses the wearer with a long, prosperous, and very healthy life.   Available in sterling silver or 14k yellow gold plate, this pendant is perfect for boys and girls, women and men that tend to wear smaller sized charms.