These White Die cut Postal boxes are smart easy to assemble and give your item a premium feel, They are high quality boxes. All our boxes are flat-packed for convenient storage and offer outstanding value for money. Along with a fantastic in-stock choice also comes instant online discounts So you can buy postal boxes and get mailing risk-free! Our other options are Large Letter postal boxes for letterboxes to keep postage costs down for those small items or even Royal Mail sized Medium Parcel Boxes. These also work well with our Mailing bags as this waterproofs the boxes.