●Material: Nylon (Outer Material: Polypropylene + Inner Core: Polyester); Inner 7 Cores: 7 Strands of Nylon (This yarn will unfold into 3 additional strands) ●Set includes 2 pieces of 15.5m (15.5m) for better visibility in the dark: this reflective paracord reflects light ●7 Strand Ropes 7 Strands: This paracord is made of 7 strands of 3 strands covered with nylon and can hold up to 250 Kg. The length of the cord is 31 meters and the diameter is 4 mm, and the size is convenient for carrying and storage ●STRONG AND DURABLE: Type III Mil-Spec Commercial Nylon Paracord is dependable, strong and long lasting ●UV and mildew resistant: UV resistant, fade resistant, rot and mildew resistant. Useful for disaster and outdoor activities. Note: Cannot be used as rock climbing or professional climbing rope. If you want to support your weight in an emergency situation, simply fold it back and use 2-3 strands. However, we are responsible for any action other than the intended use of the paracord. Please acknowledge