Returnly allows the merchant to set the causes of return. For instructions on how to do that, see this article here.
When your shopper is going through the very easy and straight-forward steps to return an item, they will be prompted to select a ‘cause of return.’
Returnly Analytics allows you to keep track of your common causes of return on any given item, and gives the shopper a chance to provide commentary on a product. Win-win-win.