Diameter: #18 Length: 420'Breaking Strength: 35 lbs.Material: CottonAlso Referred To As Trot Line, Chalk Line And Seine Twine And Is Excellent For Construction, Masonry Work, Multi-Purpose Household, Gardening Applications And MoreMade From A Blend Of Natural And Man-Made Fibers For Extra StrengthNatural Stretch, Easy To Handle And Holds Knots Securely