#18 x 500’ Braided Pure Nylon Mason’s Line Seine Twine-Glo Pink-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. Size 8 oz.