PLEASE NOTE - Please check the size of the cuff is suitable for your wrist size. There is a little movement in what the cuff will fit, for example it won't only fit exactly 15cm, however I would advise for a best fit to make sure the wrist size is roughly within 1cm difference of your wrist measurement, so you could get away with 14.5-15.5cm.
The cuffs can be pulled open/squeezed together slightly to fit your wrist shape better. However, I advise you only do this once initially and then rotate your cuff to slide it on/off at the thinner side of your wrist. Too much movement of the cuffs silver will weaken it and cause it to eventually snap over time.
This is a finished piece of jewellery, so once it is sold, it will have a final polish and then make its way to you as soon as possible!