We use our own cookies and those of third-parties in order to improve your experience.
You can read more information about our Cookie Policy
Quantity Savings Tier 5+
Subtotal
Free UK delivery over £250*
Free delivery on all UK mainland orders over £250
Free delivery when you spend £250
Limited to UK mainland orders
We’re taking you to the next step please don’t hit back or refresh. If you’re stuck here please contact us.
Search for Products
My dimensions are in:
mmcminches
I'm looking for:
BoxesPostalLabelsBags
Show Me:
Best fit - show the closest matches to these dimensionsItem fit - show only packaging bigger than these dimensions
Find Products
Best fit - show the closest matches to these dimensionItem fit - show only packaging bigger than these dimensions
BoxesBagsPostal
C6 White Cardboard Envelopes are perfectly sized for sending A6 documents and items in a neat and presentable fashion. These white cardboard envelopes are designed with a rigid back board and strong paper front to keep your items safe while also keeping weight and postage costs low. Their peel and seal adhesive strip provides a secure closure and prevents the need for any extra tape. Our C6 white cardboard envelopes conform to the Royal Mail size regulations for letters.