When a hard plastic gate is too bulky for narrow halls or open stair landings, this retractable mesh gate stretches to 57 in wide and 38.5 in tall then rolls back into a slim housing when not in use. The mesh panel is breathable so pets see through while a security lock keeps active dogs from pushing past. Inside install reaches 63 in and outside install spans 61 in so the gate fits awkward stairwells doorways and hallway transitions. At 3.