Sorry, not the best at posting via phone.
I don't know how this works when shipping to places where this service isn't an option.
Buyer/seller protection can apply to off eBay sales as well. From: https://cms.paypal.com/us/cgi-bin/?c...nline_shopping
"1. Your order never arrives
All you have to do is log in to your account and open a dispute to get the refund process started. And if you made the purchase on eBay, start here instead."
Now, how to protect yourself as a seller is elsewhere. Here is their summary of cases where sellers are and aren't covered: https://cms.paypal.com/us/cgi-bin/?c...ion_learn_more