Sheathing member and wire harness

A wire harness comprising:

• a wiring material having conductivity;
• and
• a sheathing member with which the wiring material is sheathed, wherein
• the sheathing member includes:
• a plurality of tubular units into each of which the wiring material is inserted;
• and
• a connecting unit configured to connect respective open ends of the plurality of tubular units with each other,
• the tubular units respectively include lap portions in which the open ends to be connected overlap each other along a diameter direction, and
• the connecting unit includes a projection that is provided in the lap portion of one of the tubular units to be connected and projects along the diameter direction, and a groove unit through which the projection is passed, the groove unit being provided in the lap portion of the other of the tubular units to be connected and including a first groove extending from the open end along an axis direction and a second groove extending from an axially-extended end of the first groove along a circumference direction,
• the groove unit of the connecting unit is provided as a projecting groove that is formed in a portion projecting along the diameter direction in the lap portion of the other of the tubular units to be connected,
• the connecting unit further includes a locking unit that retains the projection in the second groove of the groove unit, and
• a projecting end is configured to form in a shape of an arc along a circumference direction, and a groove bottom of the second groove also is configured to form in a shape of an arc along a circumference direction in accordance with the projecting end.