posting my bottle off... help

[Newt]

hi im going to make my first sale soon and im not sure with the air tank i understand that going abroad you have to have the reg off but do you for normal post, or do you just have it de gassed or something so confused haha

 

[lettucecheesecake]

Just empty it mate and wrap it up well!

 

[Newt]

Just empty it mate and wrap it up well!

i thought so thanks