Stillwater Crystal Fly Boxes are the perfect size for storing all of your favourite flies! They come in a range of 4 different models: The 6 Compartment Tube Fly Box, ideal for storing tube flies The 6 compartment Dry Fly Box, ideal for storing Dries in wide-set compartments. The 18 & 24 Compartment Boxes, perfect for separating all your favourite flies into their own individual compartments All Fly Boxes Dimensions: 18.5cm x 12.8cm x 2.2cm