First, go to the Product List page by using one of the following three ways.
① ”My Product” in Settings
② Click “Offers” under Market tab and hit the “My products” button.
③ Click ”Product” tab in the Profile page.
From the Product List page, click the product title that you want to edit. Then, hit the “Edit” button on the right side of the page and you will be able to edit the contents.
If you want to edit your Product’s cover photo, click the camera icon in your Product page and upload image file.