But why are they called “Manila” envelopes? Does the name refer to the Philippines? And if so, how did that come about? American stationery companies were experiencing supply shortages in the 1830s.

increased reasing by $0. Each additional ounce will cost an additional $20. You don't need to go to the Post Office to send large envelopes if you have postage stamps, a postage meter, or can print ...