Features: 【LARGE SOUND】Even with long-term use, the children's bicycle bell can emit a clear and clean sound, making it easier for pedestrians and vehicles to detect the presence of children, very practical bike accessories. 【DURABLE MATERIAL】The bicycle bell is made of zinc alloy, the surface is painted, and the bottom is made of PP plastic material, which is rust-resistant, waterproof, more durable, and can be used for a long time. 【CARTOON PATTERN】The bicycle bell adopts the design of cute cartoon ladybugs and airplane patterns, the colors are bright, suitable for children's bicycles, adding more fun, it is a good decoration, children will like it. 【UNIVERSAL DESIGN】One size fits most children's bicycle bells, the ring diameter of the bicycle bell is about 22mm/0.87inch, suitable for most common children's bicycles, mountain bikes, scooters and road bikes. 【REPLACEMENT PARTS】This cartoon bicycle bell is a good replacement accessory, suitable for replacing old or broken bells, it is durable and can be used for a long time, it is easy to install, saves time and is more convenient. Specifications: Material: iron alloy paint process + plastic PP bottom Color: ladybug red, airplane blue Size: about 5.4 x 5.5cm/2.13 x 2.17inch (dia x height) Suitable for bicycle pipe diameter: 22mm/0.87inch universal Package Included: 1 pc x bicycle bell Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.