Ultra Chenille is a very densely packed chenille that won't unravel and is harder to crush than regular chenilles. It makes perfect uniform bodies, the perfect material for tying San Juan Worms. Per 5 yards. Approximately 2mm. Colors: (L to R) Black, Yellow, Red, White, Brown, Worm Brown, Florescent Orange, Florescent Pink, Chartreuse, Orange, Dark Gray, Olive, Caddis Green, Cream, Dark Olive, Tan.