The invention relates to a packaging box (1) for substantially oblong products (2), each product having an intermediate part (3) of overall width which is greater than those of its ends (4, 5), comprising a bottom (6, 111, 112) and a lid (7; 109, 110, 112) made of cardboard sheet or corrugated cardboard material. The lid (7) comprises two lateral walls (8, 9; 110, 112) connected to one another by an upper wall (110, 109), the bottom and the upper wall having a width which is smaller than or equal to said overall width and the lateral walls (8, 9) being perforated by apertures (11) spaced apart at regular intervals opposite one another, arranged to allow the respective intermediate parts (3) of said products to be tightly packed.