An essential tool for homes with small pets, the Carlson 23" Plastic Expandable Pet Gate is a convenient way to contain and protect both your pet and your home. Made of high quality plastic, the pet gate stands at 23" and is designed to easily step over. If the thought of putting holes in your walls makes you shudder, our pressure-mount system with rubber bumpers are gentle on your walls and make installation simple. Because we know door and hallway openings vary, the gate expands in seconds to fit openings between 26-42".