Invisibobble POWER Hair ring with a spiral shape gives your hair an extra strong grip during sports, without compromising on the high wearing comfort. The Invisibobble POWER is the perfect companion for your intense workout - it doesn't absorb fluids, won't wear out, and can be easily taken out of wet hair without tangling. It works great on thick hair, too. It also helps to minimize split ends, hair breakage, and headaches. It is traceless and won't leave a dent in your hair when removed from dry hair.