Carlson Maxi Walk-Thru Pet Gate is designed for extra-wide openings to keep pets contained in a designated area in your home;Gate mounts to the wall for quick installation and removal;Expands to cover openings 37 to 60 wide;Convenient walk-through design features a simple, one-touch release handle for easy entry and exit;Patented 10 x 7 pet door enables smaller pets to pass through the gate