To find your bangle size you need to measure your hand, you want to measure the widest part of your hand, most likely around the knuckles – including your thumb while squeezing your hand as if putting on a bangle to find your bangle size.
For the shell bangles and some freshwater pearl bangles there are 2 wire gauge options. 14 gauge wire is thinner than 12 gauge wire. They are both durable and strong but the 12 gauge is slightly thicker. All Tahitian Pearl adult bangles come on 12 gauge wire ONLY.