To provide character representation which can be easily seen at the time of wearing and excellent in visibility of characters. In order to solve the above-described problems, in an underpants-type disposable diaper, a three-dimensional gathers (90) are provided on both sides in the width direction of an inner member (10), a fallen portion (93) of each of the three-dimensional gather (90) has a fallen non-stretchable portion (97) to which a contraction force of gather elastic members (96) does not act, a character representation (98) is printed at a position in the fallen non-stretchable portion (97) of the inner member (10), and this character representation (98) is made visible from the inside of the diaper.
