The X-IT Fire Escape Ladder is the smallest, safest, lightest, easiest to use emergency ladder. Every bedroom on an upper floor should have this compact instant fire escape stored near an exit window. The lightest escape ladder on the market it is light enough for children to handle. Just hook the non-slip steel brackets over the window sill and lower the ladder. It deploys under its own weight. It is tangle-free and has wall stand-offs for easy descent. Tested up to 1,000 pounds. 10 year warranty. Three story model is 12" wide and 23' long. Drop shipped from manufacturer.