Patent ID: 7530973

Claim:
An elongated sanitary napkin comprising: a napkin body containing a liquid absorbent layer for absorption and retention of liquid and having a vagina-facing region and an intergluteal cleft-facing region rearward of the vagina-facing region, wherein: a three-dimensional structure is provided in the intergluteal cleft-facing region to bulge from a skin-side surface of the napkin body with an apex spaced from the skin-side surface, wherein the three-dimensional structure is hollow along its entire length, and the three-dimensional structure has a liquid-permeable sheet which is exposed externally and a reinforcing member which is located beneath the liquid-permeable sheet, and the reinforcing member is enabled to be elastically deformed to reduce a height of the three-dimensional structure when a pressure toward the napkin body is exerted on the apex of the three-dimensional structure, wherein: the reinforcing member includes a fibrous layer forming walls of the three-dimensional structure, the walls having compressed portions that extend linearly upward from the skin-side surface of the napkin body to the apex of the three-dimensional structure, and wherein, the walls of the three-dimensional structure meet solely at the apex, and wherein the three-dimensional structure extends upward from the skin-side surface of the napkin body at different base points alone the longitudinal axis such that the width of the three-dimensional structure varies continuously along the longitudinal axis, and wherein the compressed portion of the walls extending linearly upwards are spaced at intervals in the longitudinal direction.