We use cookies to improve your browsing experience.Read our Cookie Policy here. Continue
Subscribe to our newsletter for 10% off your first order, loyalty rewards and expert ecommerce advice. With over 2100 products in stock we are sure to have the right product for you.
Call us on 01622 580 100
Email us at [email protected]
My dimensions are:
I'm looking for:
My sizes are:
My dimensions are in:
mmcminchesmetres
BoxesBagsPostal
Minimum Size (My product is this big)Approx Size (Slightly smaller is ok)
Find Products
Or search by Royal Mail postal size:
You are at the 5+ Rate. Add 4 items to boost your savings.
These C3 Manilla Board Envelopes are ideal for sending A3 documents safely. Our manilla board envelopes offer a high level of protection for your important items as they are constructed from a combination of strong 1000 micron back board and 120gsm manilla paper front, which protect your documents while keeping postage costs low. These manilla board envelopes feature a peel and seal strip for quick and simple packing and are printed with “Please Do Not Bend” to help avoid your important items being bent or folded in transit.
Thank you for your interest, this feature is coming soon.
