A self-addressed envelope is an envelope with your address on the front of it in the MAIL TO area. If the ad/directions include SASE...this means self-addressed stamped envelope. In this case, you would include postage so the company/organization/person can mail your request to you.
A self-addressed envelope is an envelope that already has your address written on it and is provided to someone with the expectation that they will use it to send you something back. This is commonly used for returning forms, documents, or correspondence.
The answer is an envelope. It contains a letter.
The word is "envelope" (which usually holds only one letter).
It does
Envelope is a noun.
on the envelope.
The possessive form for the noun envelope is envelope's.Example: The envelope's flap wasn't sealed.
This envelope is like the window envelope,but the window opening is uncovered (an uncovered address panel).
The prepositional phrase in the sentence is "on the envelope".
When sending a wedding invitation the response card should go into the response envelope and you should address it back to you on the front of the response envelope with a stamp on the envelope.
I opened the envelope that contained my check.
Envelopes is correct.
When addressing a standard envelope, the correct location for the return address is the upper left corner of the envelope.