Braided Pure Nylon Masons Line Seine Twine-Glo on a Line Winder-MADE in USA. 180 lbs. Tensile Strength, High Abrasive Resistance, Will Not Rot or Mildew, Resists Most Chemicals, Hold Knots, Built-In Elasticity, Does Not “Fray” when struck by trowels or other tools. Holds line taunt-Easy take up. #18 x 250. Size 4 ozs. Glo pink.