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75% to 99% recycled contentFlash Sale!
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Flash Sale!
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Bestseller75% to 99% recycled content
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75% to 99% recycled contentFlash Sale!
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Flash Sale!
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75% to 99% recycled content
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Bestseller75% to 99% recycled content
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75% to 99% recycled content
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75% to 99% recycled content
We’re here to help you get the packaging you need
As the UK’s largest distributor of protective packaging materials, we can provide a range of quality postal boxes for easy shipping.
Postal boxes are cardboard boxes used for shipping goods through the post or by courier.
Made from corrugated cardboard, postal boxes can be used for shipping a wide range of goods. Many postal boxes come in Royal Mail or Ann Post sizes, sometimes called PIP boxes. This means they’ll be suitable for use through these postal service providers.
You can buy a wide range of postal boxes from Macfarlane Packaging. Our range includes:
- Standard Postal Boxes
- Returnable Postal Boxes
- Unlined Postal Boxes
- Postal Boxes with Foam Inserts
- Postal Wraps & Book Wraps
- Cardboard Envelopes
- Postal Tubes
- eCommerce Boxes
- Magnetic Gift Boxes
- Bottle Boxes
- Korrvu® Suspension and Retention Packs
Postal boxes, including our standard postal boxes, come in many different sizes. When selecting the size of postal boxes you need, you should consider the courier partner you’re using, as well as the size of the goods you’re shipping.
For example, if you’re using Royal Mail, you might want to consider their standard sizing as a guide. PIP boxes or parcel boxes are recommended to be no bigger than the following sizes:
- Letter: 240mm (L) x 165mm (W) x 5mm (D)
- Large Letter: 353mm (L) x 250mm (W) x 25mm (D)
- Small Parcel: 450mm (L) x 350mm (W) x 160mm (D)
- Medium Parcel: 610mm (L) x 460mm (W) or 460mm (D)
- Large Parcel: > 610mm (L) or > 460mm (W) or > 460mm (D)
Yes, our range of standard postal boxes can be recycled. They’re also made from a high level of recycled content, so they’re a good eco-friendly packaging choice.
As they’re made from corrugated cardboard, they can be widely recycled at kerbside and recycled industrially too.
Unlined postal boxes from Macfarlane Packaging are durable cardboard boxes used for shipping and storing items.
Unlined postal boxes do not have an internal lining, making them a cost-effective option for packaging various products. You can pair them with void fill like bubble wrap or packing chips or use them on their own.
Unlined postal boxes are made from high-quality corrugated cardboard. This material consists of a fluted layer of cardboard sandwiched between two flat layers, providing strength and durability.
The cardboard is often made from recycled materials, making the boxes both sturdy and eco-friendly. Corrugated cardboard is known for its lightweight yet protective properties, making it ideal for posting your products.
Yes, unlined postal boxes are recyclable. The boxes are made from corrugated cardboard, these boxes can be easily disposed of in recycling bins and are commonly accepted in most kerbside recycling programs.
Unlined postal boxes are ideal for shipping and storing non-fragile items such as clothing, books, documents and various retail products. They provide a sturdy packaging option for ecommerce and retail businesses.
Yes, Macfarlane Packaging offers customisation options for unlined postal boxes. You can add your business logo or design to enhance brand visibility and create a more professional presentation.
Our team of experts can also create bespoke sizes postal boxes just for you.
While unlined postal boxes do not have extra padding, they provide solid structural protection for non-fragile items.
For fragile goods, you may want to add internal packaging materials such as bubble wrap or packing paper.


Unparalleled Choice of Postal Boxes
As the UK and Ireland’s largest packaging distributor, we can provide an extensive range of standard postal and unlined boxes to meet your shipping needs.
Whether you’re posting anything from books, jewellery, gifts and confectionary through to industrial parts or electric components, Macfarlane Packaging has a postal box to suit you.
We offer a range of standard postal boxes in 0427 FEFCO, “pizza box” style, designed for efficient and secure shipping. These boxes are characterised by their self-locking design, which eliminates the need for additional tape to assemble the box, making them both convenient and cost-effective.
Our unlined postal boxes are made from high-quality corrugated cardboard. These durable boxes offer excellent protection for non-fragile items, making them ideal for eCommerce, retail and storage needs.
Available in various sizes, our standard postal boxes as well as our unlined postal boxes are eco-friendly too. They’re made from recycled material and can be recycled, so they can help you reduce your impact on the environment.
The high-quality corrugated board used for our standard and unlined postal boxes provides durability and strength to withstand even the most rigorous courier and postal networks. So, you can rest assured your products will be protected when you post them.
Can’t find the postal box you’re looking for? Macfarlane Packaging experts can help you with designing a postal box to suit your specification. Get in touch today