A C5 envelope, which is designed to fit an A5 paper, measures 6.4 inches by 9 inches. A5 is a paper size, not an envelope size.Know More
The ISO organization, which is an abbreviation for the Greek word for equal, sets internationally recognized paper sizes. The United States and Canada are the only countries that do not follow these standards.
There are three series of sizes: the A and B series define paper sizes and the C series sets envelope sizes. Numbers in each series correspond. For example, A4 paper fits in C4 envelopes.
A5 paper measures 8.27 inches by 5.83 inches. A4 is the most commonly used paper size internationally, similar to the standard 8-by-10-inch paper used in the U.S.Learn more about Mail & Shipping
Charts for envelope sizes are available online at Paper-Papers.com and on the U.S. Postal Service website. If the size of a package is an issue for mailing purposes, a mailer should determine exactly which size and type of envelope is required and the weight of the completed package.Full Answer >
According to the United States Postal Service, a correctly addressed envelope includes the delivery address, the return address and postage on the same side. It contains the full, correct delivery and return addresses and a stamp or printed postage of the correct amount.Full Answer >
Tips for correctly addressing an envelope for easier mailing include using all capital letters, no punctuation and black ink on white paper. Other tips entail not omitting directionals such as "East" and "West" and taking the time to include an apartment number or correct ZIP code.Full Answer >
The easiest way to open an envelope is to steam it over a boiling pot of water. When the envelope is opened in this way, it can be resealed as if it were never opened in the first place.Full Answer >