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RAJA's extra flat brown postal boxes are designed to perfectly fit Royal Mail post boxes and standard household letterboxes, making them an ideal way to send products up to 20 mm thick. These large letter postal boxes are crafted from durable micro-flute board, providing a sturdy and protective alternative to mailing bags without losing the easy post functionality. Available in a wide range of sizes, these boxes are perfect for shipping small, flat items such as documents, brochures, or slim electronics.
One of the key advantages of using large letter postal boxes over mailing bags or standard postal boxes is their ability to economise on postal costs. The slim, flat design ensures that your items are securely packed while minimising the overall volume, helping to keep postage fees low. When it comes to shipping lightweight, flat items, these boxes are often a more cost-effective and reliable choice compared to traditional packaging options.
For those requiring even more robust protection or a different shape, RAJA offers some specific long flat postal box alternatives, providing a solution for every need. Whether you need large letter postal boxes in bulk or are simply looking for the most efficient way to ship your flat products, these extra flat cardboard postal boxes offer the perfect balance of durability and cost savings.
These postal boxes are ideal for shipping small, flat items such as brochures, documents, CDs, DVDs, slim books, and other lightweight materials up to 20mm thick. They are designed to fit easily into Royal Mail post boxes and household letterboxes.
These boxes are sturdier than standard mailing bags. Made from micro-flute board, they offer better protection against bending, crushing, and other potential damages during transit, making them a reliable choice for shipping delicate or important flat items.
Ensure your products reach their destination safely and cost-effectively with our extra flat brown postal boxes. Perfect for sending slim, flat items through Royal Mail, these boxes offer a sturdy and reliable alternative to mailing bags. Plus, RAJA has everything you need to complete your shipping process, from cardboard tubes for posters and documents, Multimedia mailers to help ship specific formats and a wide range of mailing bags and other postal essentials, we have the product to get your goods where they need to go. Check out our best prices range to see if there’s an offer just waiting for you!
