Black Postal Boxes

Black postal boxes are perfect for ecommerce, subscription services, and whenever you are looking for premium packaging to make your company stand out from the crowd. Our black mailer boxes are manufactured from high quality single wall cardboard and are supplied flat packed to make the most of your storage space.

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Fast Delivery

FSC Compliant

Made To Measure

25+ Years Experience


Black Postal Boxes

Can't find the size you need? No worries! Just give us a call!

We can make die cut boxes to almost any size, but there may be a setup cost for some templates. Please get in touch and we can work with you to get you what you need.

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The Benefits of Black Mailer Boxes

Black postal boxes can give an elegance to your packaging that will be appreciated by your customers as part of the whole experience of your brand. They are a great alternative to mailing bags and brown packaging.

Not only do they look good, they are also strong and secure and ideal for protecting your goods in transit thanks to the quality of the single wall cardboard.

Our postal boxes are eco-friendly, being made from 70% to 100% recycled content and are 100% recyclable & biodegradable.

They are easy to assemble with no need for tape or glue and when done so are strong and secure.

They can also save you money when it comes to postage costs as they are both light and many fit into either large letter or small parcel pricing when it comes to sending via the postal service.

Our postal boxes are available in a wide range of stock sizes, but we are also happy to provide short runs of custom sizes. One thing to remember when choosing your postal box is the sizing we display is based on the internal dimensions.

Ideal for shipping smaller items such as cosmetics and jewelry they are also used in both the electronics and food industries to name but two.

They can also save you money and they are light and compact with some sizes small enough to be classified as a large letter in terms of Royal Mail charges and others ranked in the small parcel size category.

Styles of Black Cardboard Packaging

Our two most popular styles of cardboard cartons are the FEFCO 0426 and the FEFCO 0427.

Both the 0426 and the 0427 are constructed from one piece of single wall corrugated cardboard.

The 0426 FEFCO is a pizza style box that is also often utilised for shoe packaging.

The 0427 FEFCO is a robust carton that has overlapping sides that lock in with the lid meaning that no additional sealing is required. The carton is very popular for use in ecommerce, subscription services and also as gift packaging.

We supply postal boxes in a number of standard sizes and we also offer bespoke boxes created to the exact dimensions required. We have no minimum quantity so you only need to order the amount you need.

Adding your company logo to your packing can help you stand out from competitors and we can help with that with our box printing services.

If black is not the colour for your business we also offer mailing boxes in brown and white.

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