Brown Postal Boxes

Need high-quality brown postal boxes? All of our packaging boxes are durable, lightweight and versatile. Packing and unpacking is simple, thanks to the security flaps and hinged lids. Your customers are guaranteed to have a positive, eco-friendly experience with our plastic-free packaging.

Every postal box in this range is made from at least 80% recycled paper and is 100% recyclable, home-compostable and biodegradable.

Best Selling Brown Postal Boxes

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Stand Out in Every Delivery with Custom Boxes

Ready to make a lasting impression with your brown postal boxes? On order quantities of 500 and over, our in-house design team can help you create packaging that perfectly aligns with your brand. If you’re looking for a custom solution for lower order requirements, we can create branded labels that promote your business and make your boxes tamper-evident. Start your custom packaging journey today!

Learn More About Brown Postal Boxes

At Packaging Supplies, you can post your products in high-quality packaging without a guilty conscience. The brown postal boxes are made from mostly recycled contents, offering incredible sustainability and a wholesome, natural aesthetic.

Our brown postal boxes are perfect for posting a plethora of products. Made from single-wall corrugated cardboard, they’re compact, durable, and feature a self-locking design for maximum security. We’ll ship them to you flat, unassembled, and as one piece of cardboard, making them easy to pack in under 20 seconds.

These brown mailing boxes have a fold-down hinged lid with tuck-in-flaps so you don’t need extra tape — ideal if you’re on a tight budget. You’ll be surprised at how much such a simple yet sophisticated feature will benefit your packaging operation. 

Get the perfect packaging all-rounder with our brown postal boxes. They’re cost-effective, eco-friendly, easy to assemble and will make packaging your products a breeze.

Postal Boxes Pricing and Proportion Sizes

Where applicable, we also include the Royal Mail PiP (Pricing in Proportion) mailing guide, which will help you estimate delivery costs by box size. Using the guide, you’ll be able to select the most appropriate box size for your products and calculate your postage costs before you order your packaging.

For reference, the brown postal boxes in this range fall into a small parcel bracket, which has the maximum dimensions of 450mm (L) x 350m (w) x 160mm (H) and a maximum weight of 2kg.

Buy Eco-friendly Packaging Supplies Online

Give your packaging a boost with our plastic-free postal boxes made from recycled materials, or check out our online shop and discover more eco-friendly packaging options. Free UK mainland delivery on all orders