![If I'm shipping a package with a Mercari USPS Priority mail label is it ok to use this padded envelope? I've seen lots of things about them only accepting certain types of If I'm shipping a package with a Mercari USPS Priority mail label is it ok to use this padded envelope? I've seen lots of things about them only accepting certain types of](https://i.redd.it/5pl019g41xp71.jpg)
If I'm shipping a package with a Mercari USPS Priority mail label is it ok to use this padded envelope? I've seen lots of things about them only accepting certain types of
![Hi folks, is tool box allowed to be packaged with this usps padded envelope or not? I want to confirm if it's only used for sth like documents. Thanks in advance. : Hi folks, is tool box allowed to be packaged with this usps padded envelope or not? I want to confirm if it's only used for sth like documents. Thanks in advance. :](https://i.redd.it/qvhymzlk54y01.jpg)
Hi folks, is tool box allowed to be packaged with this usps padded envelope or not? I want to confirm if it's only used for sth like documents. Thanks in advance. :
![Amazon.com : Progo 20 ct #6 Large Poly Bubble Mailers 12.5x18 Inch Bubble Lined Cushioned Poly Mailer. Tear-proof, Water-resistant and Postage-saving Lightweight Shipping Padded Envelopes/Bags. : Office Products Amazon.com : Progo 20 ct #6 Large Poly Bubble Mailers 12.5x18 Inch Bubble Lined Cushioned Poly Mailer. Tear-proof, Water-resistant and Postage-saving Lightweight Shipping Padded Envelopes/Bags. : Office Products](https://m.media-amazon.com/images/I/71CXTLZYzHL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Progo 20 ct #6 Large Poly Bubble Mailers 12.5x18 Inch Bubble Lined Cushioned Poly Mailer. Tear-proof, Water-resistant and Postage-saving Lightweight Shipping Padded Envelopes/Bags. : Office Products
![Can I send this bubble mailer with a stamp as regular mail and drop it off at USPS mailbox or i need to pay shipping for it? Its about the size of Can I send this bubble mailer with a stamp as regular mail and drop it off at USPS mailbox or i need to pay shipping for it? Its about the size of](https://i.redd.it/sv5z2cqslr581.jpg)