Bicycle Squeeze Air Honking Bell Bike Accessories Riding RquipmentDescription:Material: Plastic and rubberSize:Total Length - 15.5cm \/ 6.1 "Speaker diameter - 7cm \/ 2.75 "Gasbag diameter - 5 cm \/ 1.97 "Ring diameter - 2.2cm \/ 0.87 "Color: pink、 red、 green、 blue、 yellowPackage Include: 1pc x Squeeze horn bellFeatures:Unique style、 easy to install、 loud voice. Bicycle indispensable equipment、 economical and practical.! This horn bell is made of plastic.The Gasbag is non-toxic silicone、 durable、 deep and loud voice.Unique shape、 mounted on the bike definitely wonderfulNotice:1.Please allow 1-2cm error due to manual measurement.Pls make sure you do not mind before you bid.2.The color may have different as the difference display、pls understand.Package includes:1 x bicycle bell