Real People, Real Answers Across The UK
Get In Touch With Custom Mailer Box
Tell us what you’re packing, how it ships, and when you need it ready, and we’ll come back with honest advice on the right box, the right board, and the right finish for your brand.
Every recommendation we make starts with how your product is actually handled, from the warehouse shelf to the customer’s doorstep, not a guess from a catalogue. That’s how we keep your packaging strong in transit and genuinely impressive the moment it’s opened.
Free Design Support
Free UK Delivery
Low MOQ From 100
Custom Mailer Box is proudly part of Pax Custom Packaging. If you already have artwork ready, attach it to your message and we’ll confirm placement and safe zones for you.

Contact Details
- 01902 509 334
- hello@custommailerbox.co.uk
- Office 823, 85 Dunstall Hill, Wolverhampton, WV6 0SR
What To Include For A Fast Reply
Your packed product size, an approximate weight, the quantity you’re after, and any print or finish preferences. If you’re using inserts, let us know how many items go inside each box.
Send Us an inquiry
Pop your details in below and we’ll come back with clear next steps. Not sure on sizing yet? Just share your product dimensions and we’ll suggest a fit that works.
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