invisibobble HAIRHALO, the adjustable headband. With HAIRLOVETECH™, Its traceless design and spiral shape provide fewer pressure points on the head, resulting in superior comfort. The adjustable structure and special shape make it possible to mould the HAIRHALO specifically to every single head shape. Meet the world's favorite spiral hair tie: Whether Everyday, Fashion, Athleisure, or our Limited Collections, each and every invisibobble spiral hair tie has the same HAIRLOVETECH traceless technology, scientifically proven to cause less damage, less pain, and less kinks. Here at Invisibobble, we like to keep it simple with hair accessories. From Spiral hair ties, bobby pins, scrunchies, headbands and more, we guarantee our Invisibobble hair care accessories to work while you work, go out, or work out. Polyurethane