Amazon has this Kidde 468094 Three-Story Fire Escape Ladder with Anti-Slip Rungs, 25-Foot
For $35.93 was $79.95!
With metal rungs and red nylon strap rails
Strong and durable ladder tested to 1000 lbs.. Item weight is 12.10 pounds
Easy to use attaches quickly to most common windows
Tangle free design fast and easy to deploy with anti-slip rungs
No assembly or tools are required; 5-year warranty