Customers who have said they prefer not to use online billing will receive their invoices by first class mail with a window envelope inside for easy payment.
From the techcrunch.com
You'll type the address in the box, so that when you print out the check you can insert it in a special window envelope that comes with your checks, attach a stamp and mail.
From the suntimes.com
So you are flying in this little window of a flight envelope which is perfectly normal and, indeed, you do it every day.
From the guardian.co.uk
One of their experiments was to put a five-euro bill in an envelope with a clear window so the bill could be seen.
From the blogs.psychcentral.com
She chased my car down the road after the gig and put an envelope with her passport and car keys in through the window.
From the metro.co.uk
While surveying the room, he discovered a white envelope had been left on the radiator that formed the window sill.
From the en.wikipedia.org
Today's window technologies, however, make them an integral part of your home's envelope while successfully protecting the home from the elements.
From the thestate.com
When he's finished, Brody passes something through the open window, and in the beam of the man's torch Molly can see a fat manila envelope.