This was sold as a publication at the convention, with the solution to the case in a separate envelope.

He placed them into separate envelopes that he found among the papers on the desk.

I ran off three copies and sealed them in separate envelopes.

Her letter was thick, sealed in a separate envelope, and addressed to me.

Beneath the statement he could feel the outline of a separate envelope, far shorter than the page itself.

He sorted out the share certificates of that, put them in a separate envelope, and took them away with him.

Keep a separate envelope for each variety of seed saved and label it clearly.

Summer and the check for the turkey arrived on the same day, although in separate envelopes.

Any other correspondence should be sent in a separate envelope.

I also bring some envelopes and I put the tip in a separate envelope for each staff member.