Family tree medium is 1" in diameter sterling silver disc with up to 12 stones in Swarovski Crystals. Each stone represents the birth month of your family member. This includes chain and customization. To order, use the Comments and Special requests box to advise the birth months requested. If you have a special order you would like for them to be added please make sure to advise or feel free to email me directly for additional communication. Family names and other special words can be added at the bottom in place of the grass, etc. This can be created for you in mixed metals as well.