Send all your products in these sturdy brown letterbox boxes from VIV! The letterbox boxes are made of strong corrugated cardboard and can be set up in no time. This ensures safe and efficient shipping of all your products. The boxes have an internal dimension of 111 x 110 x 28 mm, so they simply fit through the letterbox. The letterbox boxes have a top cover closure with an extra closing tab. So you don't need tape to close the boxes. The cardboard is FSC certified and 100% recyclable. An environmentally responsible choice.     Letterbox boxes are: Made of sturdy corrugated cardboard. Very light in weight, so you save on shipping costs. Equipped with a top cover with an extra closing tab. Can be set up in no time. Made of FSC certified cardboard and 100% recyclable. The letterbox boxes are bundled per 50 pieces and a full pallet contains 8,000 boxes (160 bundles).