What is the size of the envelope?

According to the new regulations according to 1988, the national standard of China's envelopes are: ordinary herald seal and aviation herald seal 162~220 millimeters long and 110×125 millimeters wide.

Large envelopes of three specifications:

①Length 229 millimeters, width 162 millimeters.

②Length 250 mm, width 176 mm.

③Length 324 mm, width 229 mm.

Envelope format:

1. Write the recipient's address on the first line of the envelope. Handwriting should be neat and place names should be detailed. Write the name of the place from the province, city, county, all the way to the district, street and door number. If you are writing to a rural area, you should also write the name of the township and village. Six squares are drawn in the upper left corner of the envelope, in which the postal code of the addressee should be filled in.

2. Write the recipient's name in the center of the second line of the envelope. According to the identity of the recipient, in the name of the name after the "comrade to" or "Mr. (Ms.) to" and so on, here should avoid writing titles, such as, should not be written "grandfather to".

3, in the third line of the envelope to write the sender's address and name. In the lower right corner of the envelope should be filled with the sender's postal code, the letter in case of delivery difficulties, the post office can rely on this information, quickly return the letter to the sender.

4, the front of the envelope from the right 55 millimeters to 160 millimeters, 20 millimeters from the bottom edge of the area is the bar code printing area, do not write or sign in this area, so as not to affect the delivery.

5, the words on the envelope can not be written in pencil to prevent blurring; not to mention writing with a red pen, because it is impolite behavior.

6, the letter forwarded by the trustee, the envelope should be written on the envelope, "face to face", "bother to hand over" and so on, in the envelope of the third line of the second half of the line, write "x x x x trust" or "x x x please". "× × × × please" on it.