Our Collection of Royal Mail Large Letter Friendly Gift Boxes.
These boxes are perfect for posting as the outer depth is well within the 25mm allowed by Royal Mail for large letter.
Please note that all of our 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. For our full gift box collection, see our gift boxes page.