In order to sync product to Presto Mall, bundle shipping fee is required to set.
Step 1 : Login to Presto Mall seller account.
Step 2 : Select seller office
Step 3 : Go to Profile icon on your top right side > Seller Details
Step 4 : Looking for *Ship-From address > Click "Manage"
Step 5 : After click "Manage", will pop up a "Ship-From Address" window. You may scroll down and checked "Set Bundle Shipping Rates" and filled in the relevant fields will do.
Step 6 : Save.
GIF reference :