The Tacky Pescador Fly box is designed for larger patterns in fresh and saltwater. Featuring a waterproof gasket and a 100% recycled plastic outer shell, it is the perfect box for a variety of flies. The medium size has room for 210 flies while the large can hold 238, as well as having more head room for large patterns. Large measure8.8 x 4.9 x 1.96. Medium meausures 7.5 x 4 x 1.2. XL measures: 10.5 x 8 x 3