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square letterbox friendly boxes

Take a look at our range of Square Royal Mail Large Letter Friendly boxes, perfect to fit the letterbox limit for cost-effective posting in style!

These boxes are perfect for charm bracelets, bangles or smaller items. These boxes are multi-purpose so you can be inventive!

Please note that all of our gift box dimensions on our website are ‘internal’ measurements.

We recommend that you order a sample box so you can check that the overall external dimensions of your box and the mailer meet the Royal Mail size guidelines.

Square Letterbox Boxes

Set Descending Direction

5 Item(s)

Set Descending Direction

5 Item(s)