HIGH-QUALITY MATERIALS: Made of a mixture of flexible latex (elastic ring) and heavy steel (hook), the expander hooks are optimized to withstand more pressure. Durable, flexible, good grip, great resistance. SIZE:The total length including the hook is 15cm and the diameter of the elastic rope is 6 mm. The reliable elastic rope makes the tent tarp and banner have the greatest stability. HOW TO USEJust put the loop through,for example, the eyelet of the tent, and pull the hook through the loop and tighten it. Can be affixed in seconds. Easy adjustment, it ensures you have exactly right length and tension. Can be affixed in seconds. EXTREMELY VERSATILE: Lashing ropes with hooks help to set tarpaulins and attach light strings or other decorations to the fence. Used for fixing and binding the tent to make it tight. A good tool for outdoor camping, hiking. Convenient to use.