A stack of folded web material for hygiene products, such as paper or nonwoven products, said stack including: at least two webs, the webs including: a first web divided into individual sheets by means of lines of weakness; and a second web divided into individual sheets by means of lines of weakness; said first and second webs being interfolded with one another so as to form said stack; and wherein the first web and the second web are arranged in said stack such that the lines of weakness of the first web and the lines of weakness of the second web are offset with respect to one another along the webs; each line of weakness having a separation strength, being the force required to separate an individual sheet from the web along said line of weakness.