Size Guide

Please watch the video below and follow the instructions to help you find the best fit for your Sewn By Biji face mask.

What you will need:

  • A piece of string
  • A ruler or measuring tape

How to measure:

  1. Wrap the piece of string from under your chin, around your ears and over the nose (as shown in the below video).
  2. Measure from the one point to the other using a ruler or tape measure.
  3. Use the measurement guide on this page to refer to
  4. Find the best fit for you!


 Measurement Guideuide