4916FM Features: -Crystal clear lid and 360 degree rubber gasket.-Thin, lightweight and fit comfortably in your vest or pocket.-Patent pending IFF foam provides unite fly storage flexibility.-IFF foam in the lid, magnet on base.-Easy access to nymphs and smaller flies.-Interlocking Friction Foam (IFF) technology features rows of interlocking foam. Dimensions: -Dimensions: 7.25" H x 4" W x 1" D. Warranty: -1 Year manufacturer"s warranty.