[Provide protection for children and pets] Suitable for babies from 6 to 24 months or pets from 10 to 40 pounds, equipped with a sturdy bracket and high-density soft mesh, which can prevent your baby while separating the space Or pets get any harm, with a safety lock button, easy to lock and open, the length can be adjusted arbitrarily, all parts are non-toxic and odorless. This retractable door fits openings up to ?? inches wide and ?? inches high. Enjoy full walk-in space in your home's entryways and stairways with this retractable Door. Can be mounted on top and bottom of stairways, doorways, corridors, for indoor and outdoor use. Includes easy-to-install components: stainless steel screws, snap-on mounts, wall spacers for plinths or plinths, and installation guide template. Must be installed between rigid surfaces such as drywall, wood or hard walls. The installation surface of the retractable door must be suitable for the purpose, the structure must be strong, and it must be installed on the wall, door frame or column, firm and flat.