Vertical Friction Foam holds flies in place
360° rubber gasket on each side
Double-sided translucent lids
Holds up to 252 flies
Flambeau 4646TW Large Blue Ribbon Waterproof "Twins" Fly Box
Flambeau's Blue Ribbon Twin Fly Boxes were designed to offer twice the fly storage space using the patent pending Vertical Friction Foam (VFF) technology. Vertical Friction Foam consists of rows of vertically slit foam that securely hold flies between the pads using friction without allowing the hook to pierce the foam. Each precision fit fly box features a 360° rubber gasket on each side. Double-sided translucent lids. Holds up to 252 flies. 4946TW Dimensions: 6.25" x 3.75" x 1.875".