PROBLEM TO BE SOLVED: To provide a nonwoven fabric that is superior in shape retention even under a high load, and has high air permeability, and allows the excrement to be introduced to a space between seats to prevent the excrement from contacting the skin.SOLUTION: A nonwoven fabric 10 comprises: a first sheet 11 having first protruding portions 21 protruding to a first surface side Z1 on a side in a plane view of the sheet-shaped nonwoven fabric 10 and each having an internal space 21K, and second protruding portions 22 protruding to a second surface side Z2 and each having an internal space 22K, and in which the first and second protruding portions 21 and 22 are alternately and continuously arranged in different crossing directions in a plan view of the nonwoven fabric 10, respectively and a second sheet 12 having third protruding portions 23 protruding to the second surface side Z2 and each having an internal space 23K, and fourth protruding portions 24 protruding to the first surface side Z1 and each having an internal space 24K, and in which the third and fourth protruding portions 23 and 24 are alternately and continuously arranged in different crossing directions in a plan view of the nonwoven fabric 10, respectively.
