Use these double wall cardboard boxes for storing and transporting all kinds of heavy or awkwardly shaped items. These boxes are 420 x 356 x 127mm in size and made from extra-thick card that has a double corrugated layer that’s resistant to piercing or crushing. Quick and easy assembly by sealing with packing tape creates strong and sturdy double wall cardboard boxes which are: Fully recyclable and degradable Made from high quality eco-friendly materials Supplied flat packed in bundles of 15 Fast and easy to assemble