These smaller mailing boxes are perfectly designed to transport A6 sized items. These cost-effective A5 mailing boxes are extremely popular, offering a reassuringly secure way to send your items in the post. This type of delivery box is ideal for safely sending paper items such as postcards and artwork and corporate marketing literature. Such is the versatility of this type of mailing boxes, that they are can also be used to send gifts of jewellery, mobile phones or accessories. A6 mailing boxes are super tough, with their pizza box style fastening and stout single-walled corrugated design. They have a high recycled content and are fully recyclable, although they are so tough, you can use them a few times before putting them in the recycling. Sorry, we cannot print on these mailing boxes.