Description: 【Loud and Cheerful Horn Sound】: The Kids Bike Horn produces a classic, clear horn sound that's fun for kids and effectively warns pedestrians. It adds a fun to every ride while also improving safety 【Material】: Made of sturdy metal, the Bike Bugle Horn is sturdy and safe for your child 【Easy Installation】: The Bike Squeeze Horn is easy to install. Easily attach this horn to any standard 22mm (0.87 inch) diameter handlebar in seconds. The simple clamp design requires no tools and securely mounts to most children's bikes, balance bikes, and scooters 【Stylish Design】: Available in bright, eye catching colors, the Bicycle Handlebar Air Horn is the perfect accessory for kids' bikes. Its timeless, classic look adds a touch of to any bike 【Perfect for Outdoor Adventures】: The children's Bicycle Horn is perfect for rides around the neighborhood, on park trails, and on trails Specification: Material: Metal Size Chart: 7cmx13.5cm/2.76inchx5.31inch Fits 22mm Handlebars Package Includes: 1 Kids Bike Horn Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.