An ordinary white business envelope on which nothing was written or typed.

He took out a plain white business envelope from his back pocket and passed it to Johnny.

The film was about the size of a business envelope.

It was folded up, about the size of a business envelope.

From her other pocket she took a sealed business envelope.

There was a white business envelope lying on the table.

Sam noticed a large white business envelope on the bureau.

It was a single sheet of A4 paper, folded twice to fit a standard business envelope.

A sample issue is free with a stamped business envelope.

There was a small pile of documents in business envelopes.