Rippled ice fibers Adds flash and motion Ideal for streamers Durable synthetic material Hareline Dubbin was founded in 1981 in Monroe Oregon. It has grown from the kitchen stove top with 12 colors of Dubbing to a 45,000 square foot facility with thousands of fly tying products ready to deliver. Hareline Ripple Ice Fiber is a flashy synthetic fiber with crinkled texture for movement and sparkle.