C&F Design Universal System Case Large has a highly waterproof, water-resistant design that has been sold with almost no damage record for more than 20 years, demonstrating its quality. The case comes in 7 colors and can attach two L-size System Foams, with a choice of 7 types for trout and 3 types for saltwater (available separately). System Case is the perfect choice for fly fishers who want to store long streamers up to 17 cm (6.7 inches) or lots of smaller flies in one place.