[Cute Design]: This children's bicycle horn has an innovative design and a unique and cute dinosaur and unicorn shape. Just press the kids bike horn to produce a loud and clear sound that will give your child endless cycling fun. [Soft Material]: The children's bicycle horn is made of high quality silicone material, soft and durable, exquisite workmanship, bright colors, lightweight and portable, no pungent smell. [Easy to Install]: The children's bicycle horn is designed to be mounted on handlebars with a diameter of 2.2 cm. A Phillips screwdriver (not included) is required to adjust and tighten the children's bike bell. [Horn Alert]: Just press the child bike horn, the child bike horn will emit a loud and clear sound that alerts pedestrians and passing vehicles to pay attention, which greatly improves the safety of children on bicycles. [Wide Use]: This children's bicycle horn is suitable for children's bicycles and scooters to improve driving safety. The children's bicycle horn is the perfect gift for children. Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, There may be color differences, please refer to the actual item received.