[MATERIAL]The cute clown horn is made of metal and rubber material, which is non-toxic, durable
[FUNCTION]The bike air horn provides a clear the way with a distinctive honk by squeezing the rubber ball on the horn
[INTALLATION]The retro clown horn is built with a metal mount, easily and convenient to fixed the bike handlebar, easy to install and remove
[PLEASE NOTICE]There may be a certain size difference (Approx 1-3mm/004-012in) due to the manual measurement, please notice and thanks for your understanding