Crafted for your postage needs, our Royal Mail PiP Boxes are an optimal solution for securely mailing a range of items. Available in various sizes including Mini A6, DL, A5, and A4, these cardboard boxes are designed to meet the requirements for large letters and mini boxes. The brown, single-wall construction is both durable and lightweight, ensuring that your items are well-protected while keeping costs low. The flip-top design of these postal boxes allows for easy assembly and closure, making the packaging process swift and efficient. Each box is meticulously designed to fit snugly within the specified postal dimensions, helping to prevent any delays or extra charges from carriers. With a unit quantity ranging from 10 to 500, we offer a flexible choice to suit your mailing scale.