strength material: Emergency rescue ladder is made of strength resin and sturdy fireproof nylon material, providing reliable performance to help you and your child escape in an emergency. Quick use and universal fit: Comes with a carabiner and requires no installation, ready to use directly in an emergency. It can fit window frames of various sizes and is designed to help you escape quickly when danger arises. Versatile functions: Fireproof escape ladder is not only an escape aid, but also a tool for indoor training or mountaineering and a way for children to play sports. It can improve the elasticity of children's muscles and body, enhance stamina, and improve hand and foot coordination. Size and specifications: Available lengths are 5 m, 8 m, 10 m, 12 m, 15 m, 18 m, and 20 m. Width is 30 cm, pedal distance is 40 cm. Please choose the length based on the position you intend to hang the rope ladder. Use scenarios: Emergency escape from a window frame in case of fire or danger, using the included carabiner for immediate deployment. Indoor training and play for children, promoting physical development, coordination, and athletic activity at home. Outdoor climbing or mountaineering practice during camping or adventure activities, using the ladder as a portable climbing aid.