How to mail important documents safely?

It is important to mail important documents securely for them to arrive safely. You do not want your documents and information falling into the wrong hands and becoming a misuse of personal information. It is also important that they do not get lost along the way. To protect yourself from such things happening, here are some tips on how you can send important documents securely.
Place the important documents in an envelope or package securely. It must seal properly so that if it falls, nothing comes out of it. Be sure to pick a strong box for your cover too because this is where they are going to put your letter in when they receive it. If you are sending something that is private information wise, it is best to pick a brown envelope instead of a white one. That way, the person who comes across it will not be able to see its contents unless they open it.
Prepare a return address for your package or envelope that you are going to send. This is an important thing because this is what the other party will use if they would want to send something back. If you are sending your package or envelope through the mail, this address should be exactly where you live since they cannot deliver it unless they know where you live.
Do not use labels that stick out like "Personal" or "Confidential". This makes other people who come across your document read what is inside of it.
Also Read -What is the Safest way to mail important documents?
Be careful on what you write on the outside of your envelope or package so that others will not be able to see it. Do not use words like "urgent", "private" and the likes because this suggests what is inside the envelope or package itself.
If you are sending online, do not save anything as "unchecked" because this is how they save it as a draft. If you can, logout after sending your letter so that nobody will be able to access your account and view them through their computer.
In sending important documents securely, always remember to wrap them up properly or have them in an envelope for safety precautions which will protect your data and personal information.