DURABLE & TOUGH – Made of premium nylon with outer polyester material, offering good toughness, softness, and durability. Excellent tensile strength, capable of withstanding high impact force, resistant to deformation with outstanding stability. ALUMINUM TENSIONER – Each reflective cord features an aluminum tensioner that allows adjustable rope length based on your needs. Provides strong fixation and anti-slip performance for tent guy lines. REFLECTIVE CORD – Nylon rope with a built-in reflective strip enhances nighttime visibility, providing clear visibility and improved safety. Ensures high visibility in low-light conditions for added security. PORTABLE & LIGHTWEIGHT – Each guy line is 4 meters (13 feet) long with a 4mm (0.16 inch) diameter. Includes a drawstring storage bag for easy portability and convenient carrying. MULTIFUNCTIONAL – Ideal for use as tent ropes, tarp cords, hammock ropes, survival lines, clotheslines, or replacement cords. Great for camping, backpacking, hiking, tarps, and shelters. Specification: Material: Polyester, nylon Diameter: 4mm Length: 4 meters each Package Includes: 6 Pieces Reflective Tent Guyline Rope 1 Piece Storage Bag