Easy-casting Berkley Vanish has become the top-selling mainline fluorocarbon in the U.S. and Canada. We have been continuously improving the Vanish formula since it was introduced over 15 years ago; to ensure your satisfaction. One of the great values in 100 percent fluorocarbon line! THE EASY CASTING FLUOROCARBON The best Vanish formula ever Remains clear underwater ? 100 percent fluorocarbon refracts light similar to water Sinks underwater - more sensitive and a more direct profilefrom rod tip to lure Superior Wet Strength - Non-absorbing fluorocarbon maintains strength and abrasion resistance underwater Flexible - Most fluorocarbons are stiff; Vanish is more flexible