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One more step to do here, we need to make the wrapper invisible from frontend and searching, so in the detail page of a product set the value of Visibility to Not Visible Individually as shown:
Add new postcard
It is simple as Gift Wrapper
Define can-be-wrapped products
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On pressing the button, a new popup dialog will show up that shows all available wrappers, postcards and its information, click on the radio button to select.
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