CONVERTIBLE COVERING SHELF STRUCTURE

A convertible covering shelf structure for dividing a rear portion of a rear seat and a cargo space of a trunk compartment in a vehicle includes a first covering shelf provided behind the rear seat, a second covering shelf which is hingedly connected to a first end portion of the first covering shelf and is folded and horizontally deployed so that its upper surface faces the upper surface of the first covering shelf, and a pair of guide brackets fixed to a rear seat back frame of the vehicle and including a slit into which first and second sides of a second end portion of the first covering shelf is inserted to move the first covering shelf.