The material of this bike compass is good and durable material. The compass allows you to ride safely on the road. Bicycles mounted compass is practical and creative. This compass designed will help you when you ride your bike. Features -Color:Black -Material:Plastic, iron -Size:3.50X3.50X2.00cm/1.38X1.38X0.79in -The bicycles compass is made of selected material. It is durable and practical. -Multi-functional design, can be used for bicycle, mountain bike and other riding scenarios. -Accurate pointing helps riders accurately judge the direction and avoid getting lost. -Convenient bicycles compass is suitable for road vehicles, installation and removal without tools, convenient and quick. -Road Bike compass is widely used for standard bicycles, mountain bike, road bike, folding bike, etc. Package list: 1 x set of compass