System Case which can attach two of the corresponding size System Foams. (2 Large System Foams fit in the Large Case, 2 Medium System Foams fit in the Medium Case, and 2 Small System Foams fit in the Small Case.Choose your preferred case color from 7 choices.Customize with any combination of System Foams from choice of 7 types for Trout and 3 types for Saltwater. (Available separately)The highly waterproof water resistant fly case, been sold for more than 20 years with almost no damage record, proves and represents the high quality of C&F DESIGN.Waterproof fly case with the longest history from C&F.