Scientific Anglers Air Cel Fly Line Kit - The Air Cel Kit has everything you will need to get started for a day on the water. The kit includes an Air Cel WF floating fly line, 20lb backing, and a 9′ Absolute Trout Leader. Includes Air Cel WF Floating fly line, 100yds of orange 20lb. Dacron backing, and a 9ft Absolute Trout Leader. The original modern floating fly line Dependable flotation and durability Raised bump in handling section to indicate the ideal place to begin the cast Mid–length head for general fishing situations