Made with durable, weather-resistant rip-stop nylon and custom-sized so that the Seaguar spools fit neatly and securely together. Features a Velcro flap for easy access and secures the leader material inside, while the dual grommets allow you to feed the line for a simple and easy dispensing system. Now it s easy to keep your leader assortment with multiple pound test sizes in one compact space for easy access. Product Features Holds three larger leader spools or mainline fluorocarbon /braided line spools.