Brand new and high quality. Material: iron cover +plastic Motif: flower Color:Multicolor as picture Length:5~5.5cm,Width:6.5cm Suitable for handlebars with an outer diameter of 22~23 mm. Features: 1.Decorate your bike & ensure your safety 2.lovely appearance and flower decoration, strong and durable 3.Just press the button to alert pedestrians with a clear ring tone. 4.Easy to install Package included: 1x Bike Alarm Bell Notice: 1.1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.