This cardboard boxes can be used for writing upon, printing upon, or for packaging. 

Paperboard, sometimes known as cardboard, is generally thicker (usually over 0.25 mm or 10 points) than paper

According to ISO standards, paperboard is a paper with a basis weight (grammage) above 224 g/m², but there are exceptions. Paperboard can be single- or multi-ply. We stock both single ply cardboard boxes and multi ply removal boxes which can be found in this listing

Corrugated fiberboard sometimes known as corrugated board or corrugated cardboard, is a combined paper-based material consisting of a fluted corrugated medium and one or two flat liner boards. These cartons are perfect solution to your mailing/packing requirements