Looking for something new to add to your arsenal? Here it is! Glo Bugs Bling! It's The Bug Shop's yarn with an absolute explosion of FLASH! Use it for Glo Bugs, add it to your favorite fly, conceal your hook, and use it for dubbing! It holds scent great! There is 5 feet per bag and the diameter of the yarn is approximately 5/16 of an inch or 8 mm.