We advise you to measure your wrist with a tape measure and add between 1cm to 1.5cm difference. This way you get the ideal size for your bracelet. (For bracelets with a thickness of more than 0.8cm, 1.8cm difference will be necessary as a precaution).
How to measure your wrist:
Tip: If you already have other articles in the same category (necklace/bracelet) it will be easier to measure the article itself.