Murphy's Magic Invisible Thread (IT) is perfect for all of your IT routines. This high-quality thread has been used by professional magicians all over the world and continues to be the industry standard. No matter the effect, you will find this thread to be the perfect solution as it is non-reflective, strong and easy to work with. Each package comes with three (3) 10 foot lengths of PRE-STRIPPED Invisible Thread. Pre-Stripped is perfect for Magicians on the go as no stripping is required. NOW INCLUDED! An Online video tutorial teaching how to properly handle Invisible Thread! The detailed tutorial goes over lighting, a variety of effects and routines as well as multiple hook-ups.