Covid 19 Status: Fully operational and despatching as normal.
Trust Pilot

Call us on 01622 580 100

Email us at [email protected]

Search by product size
Search by product name

Can't find what you're looking for?

Speak to us on LiveChat

C4 Cardboard Envelopes

From as little as £12.40 per box of 100

C4 Cardboard Envelopes are extremely popular with offices and eCommerce businesses alike, designed to keep A4 sized important documents and products flat and well protected during transit. Our range of C4 cardboard envelopes include classic board backed envelopes, as well as highly presentable all board envelopes, both styles deliver excellent protection for whatever you’re sending. With a peel and seal strip to give a secure seal and make packing easy as there’s no need for extra adhesives, these cardboard envelopes are a simple addition to your office or warehouse. Supplied in boxes for easy handling and storage.

Please note: C4 sizing is 229 x 324mm, designed to fit A4 sized items of 210 x 297mm.

Product filter icon


Applied Filters

  • Envelope TypeFilter Icon
  • ColourFilter Icon
  • Envelope SizeFilter Icon
  • Postal SizeFilter Icon
  • Internal DimensionsFilter Icon
    Opening (mm)
    Height (mm)
  • Letterbox Friendly Filter Icon
  • Eco CredentialsFilter Icon
Displaying 11 of 92  - Sorted by
View sizes in: mm inches
  • 1+ Rate Your Price
    2+ Rate Your Price
    5+ Rate Your Price
    10+ Rate Your Price
    20+ Rate Your Price
    40+ Rate Your Price
    100+ Rate Your Price
    200+ Rate Your Price