Features: The Duck Bike Bells is a charm accessory that combines a cute duck shape with a helmets and propeller, making it a delightful decoration for children's bicycles while enhancing safety with its LED light feature. Crafted from rubber, this Bike Bells offers both a ringtone and lighting function, providing a aesthetically pleasing yet practical solution. Ideal for kids and toddlers, this bike Bells appeals to those who enjoy adding a touch of personality to their bicycles, especially family seeking fun and functional accessories. Perfect for daily commutes, outdoor sports, or leisurely rides, the Duck Bike Bells ensures your child's bike stands out while promoting visibility and safety during all type of cycling adventures. Easy to install on any bike handlebar, this accessory not only serves as a bike Bells but also as a toy, making it a must have for cycling enthusiasts. Specifications: Component: Rubber, Plastic Battery: 2pcs CR2032(Include) Handlebar Mount Diameter: About 7-13cm/2.76-5.12in Bottle Diameter: About. 75mm/2.95in Pattern: 7 pattern optional Package Includes: 1pc Duck Bike Bells note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.