We use cookies to improve your browsing experience.Read our Cookie Policy here. Continue
Covid-19 Status: Fully operational.
Subscribe to our newsletter for 10% off your first order, loyalty rewards and expert ecommerce advice.
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.
Order in the next for same day despatch.
Brown Large Letter Cardboard Envelopes are a packing room essential; perfect for securely sending a multitude of items through the post in a robust cardboard mailer. Our range of brown large letter cardboard envelopes include a variety of sizes of Amazon style MailJacket envelopes, as well as a range of market-leading ColomPac envelopes, including the CP 010, the strongest cardboard envelopes on the market. Whichever style you choose, we’re confident we’ll have a size for whatever you’re sending, all of our envelopes are super eco-friendly; recyclable, biodegradable, completely plastic free, and made from sustainable materials.
Please note: Large Letter sizing is up to 353 x 250 x 25mm with a 750g weight limit.
