25 x Single Wall Packing Cardboard Boxes 12x9x12" (305x229x305mm). Perfect for small items, A4 documents, leaflets and alike. Most commonly used in the printer industry as well as by on-line sellers for sending small to medium size products. These have an A4 size base (12x9") and are 12" high.

Note that all dimensions stated are length x width x height and are the internal dimensions of the box.