PROTECTOR AND WIRE HARNESS

A protector includes a protector main body, a lid member, a locking mechanism, and a pair of guide mechanisms. The locking mechanism has a locking hole formed in the lid member and opens on opposite sides in a height direction and a locking lug portion positioned at an end portion of an opposed wall portion on a side of an opening and that is locked to the locking hole. The locking mechanism locks the protector main body and the lid member to each other in a correct position. The guide mechanisms have guide chips positioned at opposite end portions in a width direction of the lid member and extending along the height direction and guide holes positioned at the end portions of the opposed wall portions on the side of the opening and into which the guide chips are respectively inserted along the height direction.