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Plain Mailer Boxes
Unprinted mailer boxes made to your exact size in kraft or white board, a low-cost option you can brand later with stickers or stamps.
About our box
Plain Mailer Boxes, made to your size
Not every brand needs printed packaging on day one. Our plain mailer boxes give you the same strong, tape-free construction as our printed mailers, made to your exact size, without print. Add a branded sticker, stamp or sleeve to make them your own.
Why choose our plain Mailer Boxes
Plain mailers are the most budget-friendly way to get a box that fits your product properly. They are also useful for wholesale, internal shipping or as an outer shipper for printed retail boxes.
Popular uses
- New and growing brands
- Wholesale and trade orders
- Outer boxes for retail packaging
- Internal and warehouse use
- Brands that use stickers and stamps
Materials, print and finishes
- Made to your exact size
- Kraft or white corrugated board
- Unprinted, ready for stickers or stamps
- Recyclable and flat-packed
When you are ready, you can upgrade to a printed mailer in the same size with no change to your packing process.
Sizes and dimensions
Every order of plain 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, Cardboard Mailer Boxes and Chipboard 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
| None (plain kraft or white) | |
| Style | Self-locking mailer, tape-free |
| Board | Kraft or white corrugated (E-flute or B-flute) |
| 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 Plain Mailer Boxes
Can I add printing later?
Yes. We keep your size on file, so you can switch to a printed version whenever you like.
What is the cheapest way to brand a plain box?
A printed sticker or rubber stamp is the simplest and cheapest way to add your logo.
How much do plain 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.