Ship from Hongkong. One size fits most. Material: Polypropylene(PP) and Polyvinyl chloride resin(PVC). Hand-dial dual percussive sound, Sonorous voice! All kinds of lovely shape, make your car unique! A rubber ring secure the handlebar bells fit most bycicles. Mounted on the handlebar to prevent accidents. Not only decorate your bike, and can ensure that your driving safety. High quality and good practicability is your best choice.