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Key facts

  • Cardboard envelopes are available in Standard Solid Board or Premium Corrugated material, with full-colour digital printing on the front, rear, or both sides.
  • Internal sizes range from 180mm x 235mm to 278mm x 400mm, designed to meet Royal Mail's large letter criteria and fit standard letterboxes.
  • All cardboard envelopes are FSC certified with 60-90% recycled content, and a printed sample must be approved before your full order goes into production.

Frequently asked questions

What material are cardboard envelopes made from?
Standard Solid Board or Premium Corrugated, FSC certified with 60-90% recycled content.
What print options do I have?
Front side only, rear side only, or front and rear sides - the pre-defined print areas.
What sizes are offered and how precise are they?
Five internal sizes from 180mm x 235mm to 278mm x 400mm (width x length); dimensions can vary by 10-20mm due to manufacturer tolerance.
Are these letterbox friendly?
Yes, they're sized to Royal Mail's large letter criteria to fit standard letterboxes and help avoid failed deliveries.
Can I order a sample first?
Yes - a blank sample costs a couple of pence, and a printed sample fee is refunded against a matching first full order.
Is there a minimum order and any setup cost?
Minimum orders are low; a one-time £49.95 set-up fee is automatically added to orders under £100, but not on repeat orders using the same artwork.
How quickly can I get my order delivered?
Same day (local, subject to availability), next day, or standard 3-5 day delivery, chosen at checkout, with free mainland UK delivery available.

Testimonials

Caroline Rowland

"I was in a jam and needed 600 bags with our label next day- this team was so amazing and got them done in time. Cannot recommend them enough! Superb quality as well."

Megan Brown

"Fantastic service, really speedy and great quality. Would 100% recommend especially if you're in need of a quick turnaround!"

Tash Turner

"Ordered some personalised boxes for my little company and I couldn’t be happier. Really easy and efficient system to design your own boxes and printed exactly as I wanted. Great service. Will be 100% ordering more in the super near future."

Talking Birds

"Really clear guidelines, image upload and proofing system. Very good communication and really happy with the results."

T Odugbemi

"Really awesome service from the team at FPP. We are a returning customer and recommend."

Why Choose Us

Fast Delivery Promise
1.

Free UK Delivery Available

Choose from a few delivery options including FREE delivery to mainland UK.

Pre-Print Artwork Approval
2.

Pre-Print Artwork Approval

All printed orders will receive an email proof prior to printing.

Based & Printed in the UK
3.

UK Based

All products are printed and made in the heart of England, keeping our carbon footprint as low as possible.

5 Star Support
4.

5 Star Support

If you're not sure or need help, get instant support via our CONTACT PAGE.

Fast Custom Printed Envelopes for UK Businesses

Fast Printed Packaging

Gummed Enveloeps

Range of gummed envelopes. Including C5 & DL sizes, windowed & non windowed.

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Gold Padded Mailers

Range of gold padded envelopes & mailers. Print both sides of the mailer.

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Self Seal Envelopes

Range of self seal envelopes. Including C5 & DL sizes, windowed & non windowed.

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Pillow Envelopes

Range of cardboard pillow envelopes available in multiple sizes.

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White Padded Mailers

Range of white padded envelopes & mailers. Print both sides of the mailer.

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Cardboard Envelopes

Range of standard & premium cardboard envelopes. Print both sides of the mailer.

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