The Carlson Carlson Top of Stairs Dog Gate is 30.5" tall and features the new "Simple Glide" design that allows you to easily adjust the gate to fit a variety of openings within 28" to 42". The gate uses a mounting strip that can be permanently affixed to a wall or temporarily affixed. This design allows the option to affix the mounting brackets to stairway posts etc., without the requirement of using screws and hardware that may damage your woodwork or interior. The Carlson Top of Stairs Dog Gate can easily be lifted out when you need to pass through. This can be done from either side of the gate, making it very flexible in fitting with the layout of your home. Available in white, lead free and non-toxic paint finish. This gate is ideal for use with pets for the top or the bottom of stairs