Door automatically closes if it's open at less than 90°, so it isn't a problem if left slightly open.
Need to keep pets away from certain places? Suitable for hallways, doorways and staircases, the width is adjustable for different sizes. PawHut Dog Safety Gate Walk Through Pet Gates Pressure Fit, Auto Close and Double Locking for Doorways, Hallways, Stairs, White | Aosom Canada Accessories are included, making it easy to assemble – you can get your gate up instantly, so pets stop going to restricted areas.