Davpack’s range of delivery boxes is ideal for offering strong protection to your products on their journey to your customers Specifically designed to help e-commerce sellers save money and reduce excess waste with their packaging, all our delivery boxes are measured against Royal Mail's pricing in proportion categories so that you know what your postal costs will be before you need to send them. On top of that, many of our delivery boxes fall under the Royal Mail Large letter category so that they can be posted through letterboxes. This means successful deliveries the first time around, which leads to happy customers.