Marlow whipping twine is a type of cord that is commonly used for binding and securing the ends of rope to prevent fraying. It is made from a durable and abrasion-resistant polyester material that can withstand harsh outdoor conditions, making it a popular choice among arborists and other outdoor enthusiasts. This particular Marlow whipping twine has a diameter of 4mm and is available in a range of colors to suit different preferences and needs.