The First Alert Three-Story Portable Fire Escape Ladder helps prepare you for fires and other emergencies by giving you a vital, dependable means of escape through a window. This 24-foot ladder can hold up to 375 pounds at a time. This durable emergency escape ladder features a steel and nylon construction. The fire safety ladder can be used on standard windowsills, can be easily stored under a bed or in a closet for easy access, and comes fully assembled.