Invisibobble Slim True Black ties all types of hair without tangling, damaging or leaving any marks on it. Perfect for all hair types. No wardrobe is complete without a little black dress and neither is your hair without our fancy hair ring for cool girls and classy ladies... amazingly refined.  ties all types of hair without tangling, damaging or leaving any marks on it. Perfect for all hair types. Pretty in Bronze is today\'s motto for a flawless but easy style.