C4 Envelopes
See all items New Guardian C4 Envelopes provide strong protection when sending A4 documents.
C5 Envelopes
See all items New Guardian C5 Envelopes are suitable for sending folded A4 paper or unfolded A5.
DL Envelopes
See all items Use New Guardian DL Envelopes to send twice folded A4 or once folded A5.
Other Sized Envelopes
See all items New Guardian Other Sized Envelopes are available in an assortment of sizes.

Contact the Post Office Shop Customer Care Team

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Contact the UK Call Centre on: 0344 826 1399

0344 826 1399

Open 9am - 5pm Mon-Fri

UK Call Centre. Opening time can vary subject to annual or public holidays.
Orders are not taken by our operators over the phone
Orders are not taken by our operators over the phone Orders must be placed online and we are unable to take orders over the telephone due to PCI compliance regulations. We apologise for any problems this may cause to some users.

Post Office Shop is a registered trademark of Post Office Ltd.
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All order are subject to the Terms & conditions.