These double wall cardboard boxes are sized at 610 x 457 x 457mm so they are a great choice for removals, office re-organisation and archiving, as well as being an effective packaging solution for items that need to be posted or couriered safely. These extra strong double wall cardboard boxes are made entirely from card that is reinforced with two corrugated layers making it thicker and stronger than standard boxes with a load capacity of up to 25kg. These boxes are also made from recycled and sustainable sources and is also fully recyclable. Supplied flat-packed in convenient bundles of 15, these boxes need to be secured thoroughly with good quality packing tape to achieve the best, most reliable performance.