This can help people to select the right size when making their purchases from your store.
To start, find the product you would like to add the size guide to, and click the edit product button.
If you are only making change to add the size guide, hit Continue to Pricing.
Then hit Continue to Review.
Scroll down to see the product description.
Click at the bottom of the text.
There are 2 size guide options in the tool bar.
Click on Inches, or Centimetres.
You will see the size guide added to the product description.
Press save and continue.
Now publish your store.
Once completed you can go and view the product in your Shopify store.
You will see the size guide under the description.
