Carlson Extra Tall Walk Through Pet Gate with Small Pet Door, for Openings 29"-39" Wide, Includes 4-Inch Extension Kit, 4 Pack Pressure Mount Kit and 4 Pack Wall Mount Kit, BlackEXTRA TALL: Expands to stairways and openings between 29 36. 5 wide and stands 36 tall. The rust resistant pressure mount design sets up quickly and is gentle on walls. ADJUSTABLE: Includes a 4 inch wide extension. Perfect for a doorway, hallway, or bottom of stairs. The gate can quickly be removed out of the opening for easy storage. SMALL PET DOOR: Features our patented small pet door. Allows small pets to pass through while keeping everyone else