Envelopes are often used in companies. In particular, apart from putting some document information in document bags, many documents are stored in envelopes. Envelopes are also bag-like devices used for mailing letters and preserving the contents of letters to exchange document information.
What paper is commonly used for envelope printing? How many kinds of paper are there for envelope printing?
Envelopes are usually made of 80g-150g double-adhesive paper and yellow paper, as well as art paper and coated paper. If the envelope is mailed, you can use yellow paper, the better quality of the surface and a layer of film, a little envelope is imported small white cloth paper. Kraft paper also has yellow paper and white paper, most printed paper can be used to print envelopes.
Domestic standard envelope specifications (front length x width):
Envelope No. 2 (B6) :176×125mm
No.5 (DL) Envelope :220×110mm
No.6 (ZL) Envelope :230×120mm
Envelope No.7 (C5) :229 x 162mm
No.9 (C4) Envelope :324×229mm

Because this form of envelope is widely used in production and life, not only used to pack letters, like red envelope bag, CD bag, button bag, glasses bag and other paper bags, as well as many forms of export abroad, are not standard.