1.fire escape ladders, 2.we have many different type:5m,7m,10m,13m,16m,19m,etc. 3.it can fold The fire escape ladder is applied for security, it's popular now in certain fields like: fire fighting, constructionindustry, chemical plant etc.It's a safe, economical tools to save people themselves earlier, a right product, a good choice for safe reason. In case of fire in apartment building, villa, ...