Postal Box Manufacturer (UK)

We design, print and manufacture postal boxes for ecommerce brands, retailers and fulfilment operations — from compact mailer boxes to larger parcel sizes, all built to protect products through the postal network.

Manufactured in the UK with core production in Newmarket and Glasgow, supporting local and national supply for postal packaging projects.

Ecommerce mailers

Postal boxes for online orders and everyday dispatch.

Printed parcel boxes

Branded boxes for stronger delivery presentation.

Product packs with fittings

Postal boxes with fitments for added protection.

Retail & promotional delivery

Boxes for campaign packs, gifting and direct-to-customer fulfilment.

Postal boxes built for safe delivery and strong presentation

Our postal boxes are designed to make dispatch simple, protect products in transit and give your brand a stronger presence on delivery. From plain transit packs to bespoke printed postal boxes, we can manufacture in the quantities you need with print and structural options tailored to your application.

Royal Mail UK Post dimensions

Postal Mailer Boxes

Small mailers to larger parcel boxes.

Bespoke Printed Boxes

Custom postal boxes printed to suit your brand.

Protective Transit Packs

Tried-and-tested boxes for safer delivery.

Peel-and-Seal Closures

Secure closure options for postal packs.

Inside + Outside Print

Print options for stronger opening impact.

Recyclable Cardboard Packs

100% recyclable postal packaging.

Wide size range

From smaller mailers through to larger parcel formats, the range is built to suit different product sizes and dispatch needs.

Direct-from-manufacturer supply

Postal boxes can be purchased directly from the manufacturer, helping keep specification and production aligned.

Bespoke print capability

State-of-the-art design and print facilities support custom printed postal boxes in the quantities required.

Recyclable materials

The packaging is described as 100% recyclable, with renewable, water-based flexo inks.

Flexible print routes

Digital print is suited to smaller volume requirements, while flexo supports larger quantities.

Closure options available

Peel-and-seal hot melt closures and finger-lift tape can both be applied depending on the pack style

Our Offering

Caps Cases offers a wide selection of user-friendly postal packaging, from small mailers to larger parcel boxes. The designs are positioned as tried and tested for safe, protective delivery through the postal system.

Technical Information

Postal packs can be produced with peel-and-seal hot melt closures or finger-lift tape, depending on the application. These options support secure closure and a more efficient packing process.

Print & Graphics

For graphics, Caps Cases states it can use digital print for smaller quantities and flexo for larger runs, with the option to print both inside and outside to strengthen the customer opening experience.

Why It Works

This format suits ecommerce and postal fulfilment because it combines transit protection, flexible sizing, branded print and practical closure options in one packaging type. That is an inference from the source page’s emphasis on protection, print capability and postal usability.

Specification Options

UK manufacturing facilities & nationwide delivery

We manufacture in the UK across multiple facilities and deliver nationwide. Our multi-site setup supports consistent capacity and reliable distribution for UK businesses.