CHAIN IS NOT INCLUDED. Available in Solid 14K Yellow or White Gold, or in Sterling Silver. Size Reference: 17mm is the size of a US dime, 21mm is the size of a US nickel, 24mm is the size of a US quarter, Color Laser is a patent pending process, color is guaranteed to last forever, Color Medals can be worn in the pool, shower, etc. without affecting the image. We guarantee it. Our Lady of Mount Carmel is a title given to Mary, the mother of Jesus, in honor of her having given the Scapular of Our Lady of Mount Carmel to Saint Simon Stock. Her feast is celebrated on July 16. As well as St. Simon Stock, there are other Carmelite saints such as St. Therese of the Jesus, St. John of the Cross, and St. Teresa of vila.