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Cardboard Mailer Boxes
Custom cardboard mailer boxes in kraft or white board, made to your size and printed with your brand.
About our box
Cardboard Mailer Boxes, made to your size
Cardboard mailer boxes are the everyday workhorse of online retail. Made from recyclable corrugated cardboard, they are light enough to keep postage down and strong enough to protect your products, with a self-locking design that folds together in seconds.
Why choose our cardboard Mailer Boxes
Ordering custom cardboard mailers instead of stock sizes means a better fit, less waste and packaging that carries your branding. It is the simplest upgrade most growing brands can make.
Popular uses
- Online clothing and accessories
- Books and media
- Beauty and wellness
- Gifts and homeware
- Subscription boxes
Materials, print and finishes
- Kraft or white corrugated cardboard
- Recyclable and made with recycled fibre
- One-colour to full-colour print
- Self-locking, tape-free construction
Kraft cardboard with a one-colour logo is the most cost-effective way to start with branded packaging.
Sizes and dimensions
Every order of cardboard Mailer Boxes is made to your dimensions in millimetres (length × width × height). Not sure of the size? Choose “Not sure — suggest a size” in the options above and tell us what you are packing, and we will recommend dimensions and show them in your mock-up. You can also order several sizes in the same design to cover your whole range.
Related packaging
Comparing options? Take a look at Kraft Mailer Boxes, Corrugated Mailer Boxes and Small Cardboard Mailer Boxes, or browse all custom mailer boxes and our wider custom packaging range.
How to order
Choose your size and options above and request a free quote. We reply within 24 hours with your price and a free 3D mock-up, and nothing is printed until you approve it. Orders are delivered across the UK in 12–14 working days; see our delivery information. The “From” price is our bulk price per unit, excluding VAT, and larger quantities bring the unit price down. Selling clothing too? We also make custom apparel to ship in your boxes.
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Specifications
| Board | Kraft or white corrugated cardboard |
|---|---|
| Style | Self-locking mailer, tape-free |
| CMYK and Pantone, outside, inside or both | |
| Finishes | Matte, gloss or soft-touch; foil, spot UV, embossing |
| Size | Made to your inside dimensions (mm) |
| Recyclable | Yes, with UK paper and card recycling |
| Minimum order | Low minimums |
| Delivery | 12–14 working days after approval, UK-wide |
| Category | Custom Mailer Boxes |

Fill your boxes with your own merch
Hoodies, tees, sets, caps and socks — cut and sewn to your design from 20 pieces per style, packed in your boxes and delivered together.
Explore custom apparelHow it works
Tell us your box
Size, print and quantity — or ask us to suggest a size.
Free 3D mock-up
See your design on the box before anything prints.
We print and make
Printed, die-cut and quality checked.
Delivered flat
Tracked UK delivery in 12–14 working days.
Questions about Cardboard Mailer Boxes
Are cardboard mailer boxes recyclable?
Yes. They can go in household paper and card recycling across the UK.
What is the cheapest way to brand a cardboard mailer?
A one-colour logo on kraft board is the most cost-effective option, and you can upgrade later.
How much do cardboard mailer boxes cost?
The “From” price on this page is our bulk price per unit, excluding VAT. Your exact price depends on size, quantity, print and finish, and we send it with a free mock-up within 24 hours.
How long does delivery take?
12–14 working days after you approve your mock-up, with tracked delivery anywhere in the UK.
Ready to see your box?
Send your size and logo — free 3D mock-up and quote within 24 hours.




