Cross Mailer Packing Boxes
£1.19
In Stock, Order by 2pm (Mon–Fri) for Same Day Dispatch
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Same-Day Dispatch
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14 Day Return Policy
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Self-locking packing boxes that assemble without tape. Postal Packaging's cross-mailer boxes secure from both ends with a locking mechanism that holds the base and lid closed, making them an efficient choice for fast-moving dispatch stations and retail operations that need a neat, tamper-evident presentation without the time cost of taping every box. A reliable solution for small products, samples, gifts, and any retail item that needs a clean, professional box presentation.
Hear from Our Customers
See why we’re trusted as the UK’s go-to for packaging and envelopes from verified Trustpilot reviews.
Charlotte G
June 2025
Unfortunately my order arrived damaged but after emailing the issue over to the company I received a quick response from Jess who was able to fix the problem in minutes, thanks so much Jess, fantastic customer service, will definitely be ordering from this company again.
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Leanne
February 2025
There was a mix-up with my order, but it was sorted quickly and professionally. Really pleased with the service.
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Julie C
June 2025
I recently made a purchase from postal packaging which is the first time I had purchased from the company, and I couldn’t be happier with the entire experience. From start to finish, everything was seamless, professional, and incredibly customer-focused. The items I ordered arrived quickly, was exactly as described, and exceeded my expectations in both quality and value. But what truly set this company apart was the amazing customer service. When I had a few questions after placing my order, their team responded promptly, kindly, and with a level of detail that showed they genuinely care about their customers. I highly recommend postal packaging to anyone looking for top-quality products and truly exceptional service. I’ll definitely be a returning customer! Thank you!
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Rebecca R
June 2025
Really easy process to order some custom printed envelopes, James was so helpful and answered all my questions. The envelopes arrived on time and are really great quality, wouldn’t hesitate to use this company again!
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Susan Dowling
February 2025
Simple ordering, super quick delivery, and very well packaged. Highly recommend and will definitely be back.
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