Dreambaby Liberty Security Gate and Extension set is a fantastic addition to every childproof home. They are suitable for doorways and hallways sized 29.5" to 36.5". With optional extensions, sold separately, they can fit openings up to 54". For the quiet times when your child is asleep, or while carrying in the shopping with not a spare finger left to be able to open a gate, it has the absolutely fabulous Stay-Open feature. Just position the door in the Stay-open position and it will stay wide open till you choose to close it. These gates are pressure-mounted, which means fuss-free installation; perfect for temporary or rental properties. Note: The Gate must always be fitted with the provided wall cups when using for stairway, and these must be installed using screws for safety, and thoroughly read instructions before assembly.