C4 Envelopes

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C4 Envelopes

C4 envelopes are a reliable choice for sending larger documents, such as unfolded A4-sized papers, catalogs, brochures and more. With dimensions typically measuring around 229 mm x 324 mm (9 inches x 12.8 inches), C4 envelopes provide ample space to accommodate your important materials. These envelopes are designed to preserve the integrity of your documents while offering a professional presentation. Whether you’re sending business proposals, marketing materials or other official correspondence, C4 envelopes are a dependable option. Their generous size ensures compatibility with various stationery items, allowing for a hassle-free mailing experience. Choose C4 envelopes to deliver your valuable content in a secure, elegant and impactful manner.

C4 Envelope printing options

C4 envelopes measure 229 mm x 324 mm.

Choose your preferred envelope colour and opt for window or no windows. With window envelopes you can easily display customer addresses.

Personalised envelopes can be printed in either full colour or black. Add variable data printing for all your mailing requirements; simply provide your data and we’ll do the rest.

Design your printed envelope artwork by utilizing our collection of free, downloadable envelope templates, or opt for our in-house design services.

Top tip! Looking for differently sized envelopes? View our  C6 envelopes, C5 envelopes or DL envelopes.

Should you have any questions regarding a printed envelopes UK order, please don’t hesitate to get in touch.



  • C5 – 162mm x 229mm*
  • C4 – 229mm x 324mm*

Colour: We can print to edges but do not recommend it, instead allow a 10mm white border to all edges

  • 4 colour to front only
  • Black to front only


  • High Quality 100g peel and seal envelopes all non window only


  • Boxed in suitable cartons

Available Upgrades: Please Call To Discuss*

We can print and personalise each envelope with variable data at an additional cost of £20 for all your mailing requirements, simply provide your data in a CSV or EXCEL file format and we do the rest. Our studio is on hand to help

Mailing Service:
With access to Royal Mail and Whistle Posting services why not leave us to take car of the mailing for you, simply call or e mail to discuss what we can do for you.

* Upgrades are optional extras and will cost more than the standard prices.


Can you match my business stationery and envelopes?

Yes! We can match your envelope letterhead printing to ensure your branding stays the same across the board. Similarly, we can ensure your business cards, letterhead, envelopes printing designs match perfectly! Create personalised stationery with envelopes to match!

Why can’t I choose a window envelope?
Custom printed window envelopes aren’t compatible with our digital press – for window envelopes, please get in touch directly.
Are there any options to have different envelope sizes, styles and weights?
Yes – this would incur additional costs and would probably not be cost effective for small orders. However, please do get in touch with our friendly team to discuss your requirements – we’d be happy to help!
How do you produce printed envelopes so cheaply?
As an experienced envelope printing company, we’ve learnt that cheap printed envelopes don’t have to compromise on quality. We create your design from our factory in Southampton – from the customer enquiry, to the graphic designer, to the print – it all happens under one roof. This allows us to keep costs down, and pass on the savings to the customer. We produce high quality envelopes, without the high price tag!
How do I get in touch?
Should you have any questions, don’t hesitate to contact us or call on 023 8087 8037.

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