[Large] System case that can accommodate 2 system forms. Choose your favorite color from our 7 color lineup. 7 trout system foam and 3 saltwater foam combinations for customization. (Various system forms sold separately) The highly waterproof water resistant fly case is a representative product of C&F DESIGN's high quality that has been sold for over 20 years. C&F DESIGN waterproof fly case is the longest history. Fly fishers have been loved by everything from long streamers up to 6.7 inches (17 cm) to fly fishers who want to carry a lot of small flies in one case.