This post is about mailers used to send out vinyl records.. from best to worst. This is purely my opinion, feel free to comment if you like..
This is one of the best, with bumber zones to secure corners of the cover..
and another one with bumber zones (love these ones).
This is the usual one, most of records comes packed mailers like this.. not that bad (but these do not secure your vinyl enough).
And here’s the worst one of these four. Inferior.