Most common wrist sizes are 6.5 and 7 inches for women and 7.5 inches for men. Custom sizes are available on most items. It is best to know your wrist measurement to ensure the correct fit.
How to measure:
Take a piece of string and wrap it around your wrist where you would wear your bracelet. Make sure it feels comfortable and mark the string, then hold it against a ruler to get a measurement. Be sure to measure in inches. (Measurement should be your exact wrist size, plus 0.5"-0.75" for comfort.) Your bracelet will be made according to the size/length you select.