To provide an interior unit which can achieve reduction in manufacturing cost and servicing cost.SOLUTION: An opening 13 is formed on a first design surface 19 of a first interior member 10, and has first and second end edges 11, 12. The first interior member 10 has: a first engaging portion 31 on the side of the first end edge 11; and a second engaging portion 32 on the side of the second end edge 12. A second interior member 20 has: a body portion 23 which includes a second design surface 29, and can hold an electrical component SW1; a first engaging claw 21 which protrudes in a direction opposite to the second design surface 29 in the body portion 23, and which can engage the first engaging portion 31; and a second engaging claw 22 which protrudes in a direction opposite to the second design surface 29 in the body portion 23, and which can engage the second engaging portion 32. At least one of the first and second engaging portions 31, 32 is inclined relative to first directions, so that a spacing W1, in second directions, between the first engaging portion 31 and the second engaging portion 32 is wider toward one of the first directions.SELECTED DRAWING: Figure 2
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