How to clone ready made size chart templates

We this plugin, we will provide list standard readymade size chart template. So the business owner can direct assign to the product or category. Or If you want to change that default size chart then please click on the clone action button. That size chart type will change the default to the custom size chart.

After that, you can publish that cloned template as given below screen with the same name + Copy as title text and you can rename as per your requirement and you can also change the text and images, etc.