Material: Seven-core umbrella rope, buckle pin material: ABS, load-bearing 550 pounds, the product is 18 meters seven-core umbrella pure artificial weaving, unique quick release design, it can completely unlock the first aid within 20 seconds, A person can disintegrate outdoors when ropes need to be used in a living environment, such as tying the poles together, placing cups to provide cover, and some rescue and more.