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Bong Group Envelope Division boasts 20 separate manufacturing facilities, with over 50 machines dedicated to envelope production alone.

The envelope business has a production volume of 28 billion units. Our product range, including both standard sizes and bespoke orders, is extensive and includes wallets, pockets, bangtails and gussets. Our envelopes are machinable and self-seal, and are printed flexo, flat sheet offset/conversion and overprint.

One through to five colours are available, with sealers and/or multi-windows, and on either coated, uncoated or even transparent papers.

Stock envelopes

We print on envelopes from stock held on the premises in a vast range of sizes in addition to other stock items we can obtain at your request.

Special makings

Where the creative for your mail pack needs something that little bit different (or maybe very different indeed), be that in size, shape or window placement, we can advise on production issues and supply almost anything you can dream up.

We have made envelopes in materials from which it was previously considered impossible to make envelopes.

Coated envelopes from stock

We can print envelopes made from coated materials from stock. Previously, coated envelopes had to be special makings, increasing the lead time (and the cost) for the job. We can do this because of a technical advancement we have developed with a leading press manufacturer that allows the press to run at full speed but without the problems of set-off that made this impossible before.

Turn around time

We can achieve near impossible deadlines as our round the clock capacity allows for overnight delivery from artwork received in numerous electronic formats. This 24 hour service can result in a quite amazing turn around when you really need it.


We have our full in-house manufacturing facilities at our brand new Derby plant. The combined through-put per hour is an impressive 350,000 envelopes. When you take into account the fact that our night shift means we can work around the clock this adds up to an awful lot of envelopes per day. Click for a full list of our plant.