#A2 ENVELOPE SIZE OFFICE DEPOT HOW TO#

The #10, followed by the #9, is the most frequently produced business envelope. This created inconsistencies across envelope sizes. Learn more about the naming conventions of envelopes here. In the 1870s, an envelope manufacturer named William Irwin Martin created a system to identify envelopes by size for a publication called the Stationers’ Handbook of 1876. Prior to Martin’s system, envelope sizes were determined by envelope manufacturers. It may seem ironic that the #10 envelope boasts no mention of 10 in its dimensions.

#A2 ENVELOPE SIZE OFFICE DEPOT HOW TO#

To learn more about how to capture the accurate measurements of a #10 envelope, click here to download our guide “How to Measure a #10 Envelope”. Number ten envelopes are typically open side, as the envelopes open on the side with the longer dimension. Often, these small variations allow for improved inserter speed. (4 1/8 inches high by 9 1/2 inches long.)Īt Tension, we customize envelope sizes based on our customers’ requirements – a number ten to one customer may be a few millimeters different than another customer’s #10. The most common size of a #10 envelope is 4.125 x 9.5 inches. This envelope is often called a “letter envelope” by big-box stores because an 8½ x 11 piece of paper fits in it securely. Not only is it the most common transactional and billing outer envelope, the #10 is a direct mail workhorse. Open up your mailbox nearly any day and a number 10 envelope is likely one of the first envelopes you see.

Buck Slips for Direct Mail and Monthly Statements.

Lightweight Packaging & Fulfilment Envelopes.

A2 envelope size office depot