What are e -mail envelopes?

E -mail envelopes are most commonly used to close correspondence to be sent by a mail system. E -mail envelope is usually made of folded paper and greased on one flap and hundreds of different envelopes need to be considered. They are available in a variety of styles, including baronials, notifications, catalog, commercial and brochures. There are also windows envelopes that allow you to detect part of the content, usually the address.

sending a message closed in compound paper is as old as the origin of the paper itself. The earliest e -mail envelopes were often a page written on one side of the paper, folded inside and addressed on the back. Known as letters, they were sometimes sealed with wax. Before the arrival of official post, servant or independent postal service, she usually delivered written reports. The first known postal envelopes officially stamped by government post were sent in 1608.

Before industrial age, all e -mail envelopes were cut and folded manually. In 1840, a patented paper cutting method made it possible to appear standard size, but folding was still done manually. The standardization process made it possible to reduce paper in any number of shapes. The manufacturer could easily make several flaps, including pointed, square or commercial. In 1845, a steam machine was introduced, which could automatically cut and fold several envelopes at the same time. In a short time, an automatic valve machine was also used.

Patienters Industry recognizes a number of sizes in e -mail envelopes, from 0 to 12, with several fractions between them. For example, a standard commercial envelope is usually a commercial type number 10. C-5 is a large-scale envelope large enough to take several sheets of paper without folding. Sizes A-2, A-4, A-7, A-8 and A-10 are all sizes for envelopes notifications.

Direct mail traders have long understood advertising attractiveStráže. The post selected for direct e -mail envelopes may actually depend on a targeted audience and transmit a message. In addition, post traders consider the envelope a kind of billboard. The message about the outside is often used to attract recipients to open a piece.

Most postal offices will sell pre-sent e-mail envelopes and other postal supplies. The envelopes are also sold in grocery stores, grocery stores, office store stores and online stores. The selection may even include air postal envelopes, padded envelopes created to protect the content and solid photo aggres for photo protection.