Providing extra protection from damage and crushing during storage and transit, these 450 x 450 x 508mm double wall cardboard boxes are perfect for your heavier items. Complete the simple assembly by sealing with tape, creating strong, double wall cardboard boxes which are: Eco-friendly – fully recyclable and degradable Made from high quality 75% recycled paper Fast and easy to assemble Extra strength, offering a load capacity of 25kg Supplied flat packed in bundles of 10.