A laminated composite interior part (10; 50; 60), comprising: a first member (14; 14; 68) made of a synthetic resin and having a mating surface (22; 22; 72); and a second member (16; 16; 66) which is made of an elastically deformable synthetic resin, and which has a plate portion (18; 18; 70) parallel to the mating surface (22; 22; 72), the plate portion (18; 18; 70) being provided with multiple protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) which are formed integrally with the plate portion (18; 18; 70) to be interspersed on the plate portion (18; 18; 70), and which protrude toward the mating surface such (22; 22; 72) that the plate portion (18; 18; 70) and the mating surface (22; 22; 72) cooperate to define a space (24; 24; 74) between the plate portion (18; 18; 70) and the mating surface (22; 22; 72), and the second member (16; 16; 66) being placed on the first member (14; 14; 68) with distal end portions (36, 88, 94; 36, 88, 94; 36, 88, 94) of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) being in contact with the mating surface (22; 22; 72), the laminated composite interior part (10; 50; 60) having cushioning properties provided by elastic deformation of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90), which is to be caused as the distal end portions (36, 88, 94; 36, 88, 94; 36, 88, 94) of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) are relatively pressed against the mating surface (22; 22; 72), wherein flexural rigidity of each of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) against a compressive load is anisotropic about its axis, so that the protrusion (20, 80, 90; 20, 80, 90; 64, 80, 90) is flexurally deformed in one direction about its axis with the distal end portion (36, 88, 94; 36, 88, 94; 36, 88, 94) thereof sliding on the mating surface (22; 22; 72), characterized in that surface roughness Ra of the mating surface (22; 22; 72) is less than 0.20. a first member (14; 14; 68) made of a synthetic resin and having a mating surface (22; 22; 72); and a second member (16; 16; 66) which is made of an elastically deformable synthetic resin, and which has a plate portion (18; 18; 70) parallel to the mating surface (22; 22; 72), the plate portion (18; 18; 70) being provided with multiple protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) which are formed integrally with the plate portion (18; 18; 70) to be interspersed on the plate portion (18; 18; 70), and which protrude toward the mating surface such (22; 22; 72) that the plate portion (18; 18; 70) and the mating surface (22; 22; 72) cooperate to define a space (24; 24; 74) between the plate portion (18; 18; 70) and the mating surface (22; 22; 72), and the second member (16; 16; 66) being placed on the first member (14; 14; 68) with distal end portions (36, 88, 94; 36, 88, 94; 36, 88, 94) of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) being in contact with the mating surface (22; 22; 72), the laminated composite interior part (10; 50; 60) having cushioning properties provided by elastic deformation of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90), which is to be caused as the distal end portions (36, 88, 94; 36, 88, 94; 36, 88, 94) of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) are relatively pressed against the mating surface (22; 22; 72), wherein flexural rigidity of each of the protrusions (20, 80, 90; 20, 80, 90; 64, 80, 90) against a compressive load is anisotropic about its axis, so that the protrusion (20, 80, 90; 20, 80, 90; 64, 80, 90) is flexurally deformed in one direction about its axis with the distal end portion (36, 88, 94; 36, 88, 94; 36, 88, 94) thereof sliding on the mating surface (22; 22; 72), characterized in that surface roughness Ra of the mating surface (22; 22; 72) is less than 0.20.