Envelope printing size classification
Envelope no.5 printing 22*11cm
Print 23*12cm for no.6 envelope
Envelope no.7 printing 23*16cm
Envelope no.9 32.4*23cm
Envelope a paper commonly used for printing
Generally 100g/120g double adhesive paper is used
There are also kraft paper
In addition, international and domestic standards are different

The envelope paper

B6, D1, ZL envelopes should be made of B class paper ⅰ, ⅱ, not less than 80g/m.
C5, C4 envelopes should be selected with no less than 100g/m grade B envelope paper ⅰ, ⅱ.
International envelopes should use no less than 100g/m grade A envelope paper ⅰ, ⅱ.
The envelope printing
The envelope design
Envelope printing Size envelope printing
Notes for envelope printing
1, style: the envelope shall be horizontal, the sealing tongue of the domestic envelope shall be on the right side or above the front, the sealing tongue of the international envelope shall be on the top side of the front.
2. Domestic envelope: The color of the postal code box in the upper left corner of the front of the envelope is gold and red, and the color is PANTONE1795C. The contrast of the background color under green light should be greater than 58%. In red light, the contrast base should be less than 32%.
4. The upper left corner of the front side of the envelope should be 90mm away from the left, and the range 26mm away from the top is the scanning area of the machine room reading room. No patterns or words can be printed except the red box.
5. "Postal code" should be printed on the lower right corner of the front of the envelope, and the font should be in the style of ning, with the size of small 4.
6, the envelope front should be printed on the upper right corner of the stamp frame, inside the frame should be printed "stamp" four words, font should be used in ning style, the size of the small four.
7. The lower right corner of the back of the envelope shall be printed with the responsible unit, quantity, date of delivery, supervising unit and certificate number. The telephone number of the printing unit may also be printed. The font should be song style with size 5 and below.