The present invention is related to an insert piece of a two-piece absorbent article, comprising a liquid impermeable outer sheet, a liquid permeable inner sheet, and an absorbent core positioned between the outer sheet and inner sheet, two ends and two straight side edges, said two ends of the insert have different widths, such that the side edges forms an angle of 2α. The angled sides make it possible to adjust the product to fit the user’s individual anatomy.本發明涉及一種兩片式吸收製品的插入片,其包括液體不透性外層、液體可透性內層、位於外層和內層之間的吸收芯、兩個末端和兩個直的側邊,所述插入片的兩個末端具有不同的寬度,使得側邊形成2α的角。該成角的側邊使得有可能調整產品以適應使用者的個體解剖學結構。30‧‧‧插入片36‧‧‧固定系統37,37’‧‧‧末端38,38’‧‧‧直側邊361‧‧‧元件