Invisibobble Disney Princess Belle HAIRHALO - the adjustable headband. A headband exactly made for you. The patent-pending technology of the new invisibobble HAIRHALO is as hair loving as it gets. Try the headband on, adjust it where it is too tight or too loose by bending it and then wear it comfortably all day long. Even more, it leaves just few marks on your hair.• comfortable to wear all day long• one size fits all• adjustable to the shape of your head• traceless• hair loving