The Vevor folding security gate is a single folding door designed to secure entryways while maintaining visibility and airflow. Built from heavy-duty 3/4" 14 gauge channel steel with a black powder-coated finish, it offers durable protection for residential or commercial spaces. Its retractable design expands to 37" wide and collapses to 5.1" wide for flexible use and compact storage. Rolling casters swivel 360 degrees for smooth movement, while the included padlock and mounting hardware support secure, convenient installation.