Features: Multiple options for you to choose. 50 meters long, meet your basic needs. Made of high quality material, durable and tear resistant, has long servive for time. 8-strand braided backing line made of corrosion-resistant polyester for light saltwater and most freshwater fly fishing. The smoothest surface minimizes guide wear and will not damage fly rod guides which have a very low coefficient of friction. Ultra-thin with greater reel capacity when chasing monsters. Specifications: Material: Polyester Length: Approx. 50m/164.04ft Type: A/B/C/D/E/F/G/H/I Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Fly Fishing Line