The VUEfinder Competition box is capable of storing up to 1,000 flies with a unique locking clip design which allows competition fly anglers to measure selected flies to ensure they meet the International competition fishing regulations and standards. In addition to these unique features, the Competition box is a clear lid concept fly box which aids the correct selection of flies when stored alongside numerous other boxes in your luggage. The clear high density Polycarbonate lids also provide fantastic durability, handling and water resistance when coupled with the rubber seals.