http://tinyurl.com/q5hd236<P>ResQLadder FL15SL Extended Two-Story Portable Emergency Escape Ladder with Sleeves on Chain, 15 FootProduct Review<P> Click on the link for more reviews<P>Portable; no installation necessary<P>Tested to support over 1000 lbs.<P>Designed to fit standard windowsill<P>Easy to install or remove standoffs provide added stability for every rung while allowing flexibility to avoid a variety of wall obstructions or hazards<P>100% Made in USA<P>