Semperfli's Ice Chenille is a light-reflecting, crystal-type chenille comes in three sizes and over a dozen colors to fit all your tying needs. This material made of Polyester, Nylon & PET strips, as pearlescent fibers which make it sparkle. Lots of flash, color and action. The large (15mm) size can be used as a body wrap on big hooks and is perfect for large trout streamers, salmon, steelhead, bass and pike flies. 3.25 yds. (3mm) per pack.