1.MAKE SURE EACH PAIR OF MAGNETS ATTACTS SYMMETRICALLY

2.FULLY EXTEND THE MESH AND PRESS THE MESH ONTO THE UPPER PART OF THE DOORFRAME

3.PRESS THE THUMBTACKS THROUGH THE LEFT, RIGHT,AND UPPER MARGINS OF THE MESH ON THE DOOR FRAME

4. FOR PLASTIC DOORFRAME AND ALUMINIUM DOORFRAME, YOU CAN USE DOUBLE SIDED TAPE