These gates attach to an exercise pen with snaps and allow easy access in and out of secure areas. These gates are all steel and heavy gauge wire mesh with 2 inch square openings. The black & silver vein color, make them attractive indoors or out. These self standing gates also help make the x-pens more rigid and stable. The X-pen Gates are 42” high and have a door opening of 24” wide. The leg is collapsible and stored on the frame of the gate for easy transporting and storage.