Ready to Use: The VEVOR 2-story fire escape ladder is compatible with most window frames. No assembly required—just unfold and deploy instantly for a quick and easy escape in emergencies. (Note: The ladder's mounting hooks are extendable. Always extend both ends to their full length before use) High Loading Capacity: Our emergency fire ladder has a maximum load capacity of 1000 lbs, with per ladder section supporting up to 330 lbs, making it suitable for most users. And the 13ft (4m) high-strength polyester strap provides ample length for flexible use and a safer escape Reinforced Safety Support: This safety fire escape ladder is made from lightweight yet durable aluminum alloy, fire-resistant and heat-resistant. Enhanced with high-strength fastening screws and a V-shaped central support, it offers maximum stability and safety during use Stable & Anti-Slip Design: Featuring 11.8-inch wide steps and anti-slip ladder rungs, this fire escape ladder ensures a stable and secure descent, providing peace of mind during emergencies without the worry of slipping Easy to Fold & Store: This portable fire ladder can be folded when not in use to save space. It can be easily stored under the bed or in a closet near the window, making it convenient to access when needed