Mailing Boxes 390*280*140mm Slotted Shipping Packing Cardboard Box for AusPost Large Box OZPACK Sale! from 3795 3995 /per Qty 20x 50x 100x Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Product Features Internal Dimensions: 390mm L x 280mm D x 140mm H Corrugated Cardboard Light and Strong Best selected Cardboard Premium Quality & Lightweight for postal savings Made from 100% recycled cardboard