Materials:premium polyester,diameter:3/8 inch,length:33 feet,about 4800 Lbs tensile strength Good resistance to ultraviolet rays and common chemicals.Obtains the best weathering characteristics of all popular polyester fibers Superior resistance to oils,gases,acids,wear and tear,uv/sunlight,rot,mildew,and harsh weather environments High density with low stretch polyester and a tensile strength matching the maximum pulling force to be utilized It has various usages,you can cut it to different length for your requirement.Ideal for climbing,halyard,arborist rigging rope,sailboat weathered line,tree work,camping,swings,etc