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Large Letter Postal Boxes

Large Letter Postal Boxes are the perfect cardboard mailing box for when keeping your postal charges to an absolute minimum is of key importance, complying with Royal Mail sizing to give you the best possible value. These slimline postal boxes are available in 3 popular sizes; A4, A5, and A6 and are up to 20mm in depth to suit your needs for whatever you’re sending. In a standard 0427 design, supplied flat packed, folding to assemble and with integrated locking tabs to help prevent crushing, and then tape shut for enhanced security during transit. These large letter postal boxes are not only a money saving solution, but a planet saving one too, as they’re recyclable, biodegradable, reusable, made from sustainable and recycled materials.

Top Tip: Large Letter sizing is up to 353 x 250 x 25mm with a 750g weight limit. 

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