DURABLE & TOUGH -- Made of premium nylon with outer polyester material, good toughness, soft and durable. excellent in pulling force, can withstand a larger impact force, hard to deform with the outstanding stability ALUMINUM TENSIONER -- Each reflective cord has the aluminum tensioner which can adjust the rope's length according to your actual needs. The tent guide rope shows strong ability in fixed and anti-slip aspect REFLECTIVE CORD -- The nylon rope with a special reflective strip can shine in the night, serves you clear visibility and high security. Never worry about any accident or hazard, ensures your safety with our highly-visible, reflective guyline cord PORTABLE & LIGHTWEIGHT -- Each guy ropes is 4m(13 feet) long, 0.4cm (0.16 inches) in diameter. come with a drawstring storage bag, portable enough to carry anywhere MULTIFUNCTIONAL -- Suitable for tent rope, tarp cord, hammock rope, survival rope, clothesline, replacement cords and so on. It's super great for camping, backpacking, hiking, tarps or shelters etc. Specification: Material: Polyester, nylon Diameter: 4mm Length: 4meters/each one Package Includes: 6 Pieces Reflective Tent Guyline Rope 1 Piece Storage Bag