Send all your products safely and efficiently with these sturdy white letterbox boxes from VIV. The boxes are made of strong corrugated cardboard and have an internal size of 221 x 155 x 28 mm (A5 size), so they fit through the letterbox. They have a top cover closure with an extra closing tab, so you don't need tape to close them. The cardboard is FSC certified and 100% recyclable, making it an environmentally responsible choice. The letterbox boxes are lightweight, which saves on shipping costs. They are bundled in packs of 50 pieces and a full pallet contains 5,000 boxes (100 bundles).