Invisibobble Sprunchie - True Black. Invisibobble Sprunchie – spiral hair ring meets scrunchie. The famous scrunchie hair ring is experiencing its long-awaited comeback, with a new design and improved wearing comfort. Hidden underneath luxurious shiny velvet fabric, the Sprunchie contains a classic Invisibobble Original, providing all the benefits that come with the classic hair ring. It's the hair accessory for every style and also looks great on the wrist.