These premium Single Wall cardboard boxes DPB/09 are 305 x 229 x 178mm in size, perfect for storing A4 documents or sending many medium sized fragile items by post. Made from eco-friendly recycled and FSC approved materials formed into robust single layer corrugated card, these cardboard boxes provide reliable, effective protection forming a rigid barrier against crushing and impacts. They are also a useful size for archiving documents to be put into storage. Supplied flat for your convenience and assembled easily using packing tape to create a strong seal, these versatile cardboard boxes are a business essential.