In the Product Hub, you can change the name of the product listed in your Etsy store, its description, type, collection and tags.

You can also edit product prices within the Hub!

If you've published a product to your Etsy store, and would like to make in unavailable for ordering, you can simply select the product and click Unpublish:

Additionally, while editing, you can adjust the image in any way, or you can add a new image altogether. The design page is all yours. However, please note that you can't  delete or add SKUs.