Originally Posted by bjsports777
Bubble mailers are considered packages and not envelopes. If you tried to ship a bubble mailer using Envelope shipping chances are the Post Office will charge the receiver extra in order to receive the item. Even if you shipped in a PWE the post office can deem your envelope to be "rigid" and ship under the package designation.
NOT TRUE,if the bubble mailer is less than 3/4 inch thick you ship it under large international envelope.I've been doing it way for years.It looks like they eliminated this option.