Whatever you need to send in the mail, UK Packaging’s first-class range of postal supplies including products bags, envelopes and more help you send it safely and in style.
We offer post and packaging solutions for even the most awkward and fragile of items – and can even supply bespoke postal bags to your exact sizing specification.
To see our range of mailing bags, mailing boxes, envelopes, board back envelopes and postal tubes just browse below – or give our team a call to discuss your unique requirements today.

Postal Bags
UK Packaging is a leading supplier of postal bags, with... READ MOREPostal Bags

Postal Boxes
At UK Packaging, we supply a wide range of postal... READ MOREPostal Boxes

All Board and Board Back Envelopes
Our range of all-board and board-backed envelopes are ideal for... READ MOREAll Board and Board Back Envelopes

Mailing Bags
UK Packaging is a leading supplier of mailing bags, with... READ MOREMailing Bags

Postal Tubes
The perfect posting solution for posters, plans or awkward-sized documents,... READ MOREPostal Tubes

Document Envelopes
Our ‘Document Enclosed’ envelopes feature a self-adhesive polythene wallet which... READ MOREDocument Envelopes
Book Wraps
Book Wraps

Jiffy HEXPAND
Jiffy HEXPAND

Block Bottom Paper Bags
Block Bottom Paper Bags

Fragile Parcel Labels
Protecting your items during transit is essential, particularly if the... READ MOREFragile Parcel Labels

Postal Size Guide
If your business relies on Royal Mail for distribution, then... READ MOREPostal Size Guide
Postal Products Frequently Asked Questions
What types of postal packaging do you supply?
We provide a wide selection of postal packaging solutions, including postal bags, postal boxes, all-board and board-backed envelopes, mailing bags, postal tubes, and document envelopes. Each product is designed to ensure your items are sent safely and in style. Learn more.
Can I get custom-sized or branded postal bags?
Yes, many of our postal bags can be supplied in special sizes or printed with your company name or branding. This customization helps enhance your brand visibility during shipping.
Do you offer postal boxes that comply with Royal Mail size guidelines?
Absolutely. We supply a range of postal boxes, including Royal Mail small parcel and large letter formats. Our 0427-style boxes feature locking tabs to hold the lid in place for safe and secure deliveries.
What are all-board and board-backed envelopes used for?
Our all-board and board-backed envelopes are ideal for sending documents that need extra protection against bending and creasing. They are available in various sizes to suit different paper types and mailing needs.
How can I safely send posters or large documents?
For posters, plans, or awkward-sized documents, our high-quality postal tubes are an excellent solution. They are available in a range of stock sizes and can also be tailored to your size specifications.