C6 Airmail Envelope

Product Images：

Product Video:

By going through the envelope’s images and video, you may clearly know the specification and surface quality of the envelopes. 

If those are not sufficient for you to tick all the items you want to have, please don’t wait and send us inquires by messages or e-mails. We can answer your questions about lead time, package quantity, duty rate and MOQ. 

About our company:

Sun Kee Envelopes Limited has already invest in full automatic envelopes converting machines 10 years ago to produce wholesale orders of Paper Envelope for international customers. With short lead time and compliance quality of the ISO standard, we manufacture more than 1.6 million window envelopes per day. That relies on our long term paper stock and high-speed machineries to create such a record. 

Being an envelope expert, our capacity enables us to provide a wide range of products. In terms of the envelope formats, Sun Kee currently produces Small White Paper Envelope , Brown Pocket Self Seal Envelope, Ribble Kraft Paper Cloth Envelope, White Plain Letter Envelope, commercial envelopes, manila envelopes and airmail envelopes. (Please refer to the graph for the measurements available) In terms of the typical measurements of our orders, here are as followed:

- #6, #8, #9, #10, A7

- 6" x 9" (152mm x 229mm)

- 9" x 12" (229mm x 305mm)

- 10" x 13" (254mm x 330mm)

- DLX (235mm x 120mm)

- DL (220mm x 110mm)

- 225mm x 114mm

- 162mm x 114mm

For the sealing / flap enclosure, our envelopes are either “Gummed” or “Peel & Seal”, with the option to tailor the flap styles and shapes at the client’s request. It is also worth noticeable that our machinery is capable of manufacturing single or double windows' envelopes. Lastly, other than regular white paper and Kraft paper, Sun Kee provides special papers as alternatives for special requirements. For instance, an environmentally friendly, waterproof paper is available to provide extra protection.