Due to Popular Demand, Yigal Mesika has released his famous invisible elastic thread! this Dispenser contains a single 100ft fiber of the same high quality elastic thread custom designed for Mesika Loops, the phenomenal international best-seller for over a decade! Easy to use and cleverly packaged in a dental floss-style dispenser. Mesika Elastics are made with a matte finish to diminish the reflection of light and are colored black for maximum invisibility. This thread can stretch up to five times its original size! One 100ft strip can be stretched almost two times the length of an American football field!