PREMIUM MATERIAL - Tent guy ropes is made of nylon rope and reflective gear cable; Comes with aluminum tensioners adjuster which allows for easy and sturdy adjustments. HIGH VISIBILITAY - Reflective tent guidelines ensure your safety and visibility, to prevent tripping over the tent, if you're out at night with low light. ALUMINUM TENSIONERS - Aluminum guyline adjusters are compact and ultralight,light weight, convenient to carry; As good helper of outdoor adjust the rope,Help to lock the cord and prevent it skids away. EXTENSIVE APPLICATIONS - Ideal for camping, hiking, backpacking, picnic, shelter shade canopy outdoor activity; Light weight, durable, convenient to carry. SIZE and PACKAGE - 8 Pieces of tent guy rope with tensioners in a package; Each tent cord 13 feet (4m) long, with a diameter of 0.16 inches (0.4cm). Colour:Fluorescent green Pack of 8 reflective tent guy ropes, lightweight tent guide ropes, cord with aluminium tensioner adjuster, 13 foot green guy rope, ideal for outdoor camping hiking tents, Technical data: Length of each guy rope: 4 m (13 feet) Weight of eachguy rope: 0, 08 lbs (37g) Diameter of each guy rope: 0.4 cm (0.16 inches). Material for tensioner: aluminium. Alloy Tensioner Weight: 2g (0.004 lbs) Tensioner Hole Diameter: 4mm(1.58 inches) Key Features: Reflective Tent Leashes- High visibility makes use in suburban or at night safer. Guyline and Tent Tensioner - With the required camping accessories. High tensile strength - quality is good for long time with, lightweight equipment suitable for backpacking, the ropeis low water absorption. Reflective Multi-Purpose Guy Line - Used as tent rope, hanging rope, washing line, zip cord etc. Ideal for backpack tents, tarpaulins and hammocks. BEST PARTNER FOR ADVENTURE - This tent line with adjuster is idealfor camping, hiking, fishing, hunting survival and more. Package list: 8 x reflective guy lines with tensioner adjusters 1 x carry bag Note: these reflective wires are not effective in jet black conditions.