

Please envelope the documents before sending them.
To enclose something in an envelope.
Please envelope the invitation before mailing it.
Don't forget to envelope the letter securely.
She will envelope the photos for the presentation.
envelope the letter
envelope the package
envelope the report
wrap
pack
seal
She put the letter in the envelope.
A flat, usually rectangular or square paper container used to hold a letter or document.
He sealed the envelope tightly.
The invitation was inside the envelope.
She addressed the envelope carefully.
send an envelope
open an envelope
stuff an envelope
wrapper
packet
cover