Chewy Worm Chenille, a yarn with a soft, fluffy core and Flex-Floss fibers for a spiky look, is 12mm in diameter. Its soft, chewy texture entices fish. Ideal for Worm-style flies, it's also great with Caddis patterns and as body material for Streamers & Lures. Shuggy Chenille, a metallic cactus chenille of 6mm diameter, is perfect for the 'Humungus' pattern and versatile for Woolly Buggers, Fry patterns, and various Streamers.