You don't know your size Don't panic, here's how to measure your finger size in seconds: 

Measure your finger circumference using a tape measure, a thread or even a strip of paper:

Wrap it around your finger, loosely, mark the point of intersection and then measure the distance between the marking and the end of your thread / ribbon / tape, then refer to the correspondence table below:

 Ex: Your finger circumference measures 5.5cm while your finger circumference is 56.

Always choose the larger ring size.