Clear Rearview Mirror: Crystal view flat mirror helps you accurately see the objects behind you. 360°Rotation Adjustable mirror pivots to any viewing angle, which allows you observe the traffic behind you easily.
Light and Study: Made of aluminum alloy and ABS, the mirror is?it's durable and tough, but just 20g weight.
Waterproof Sackpack for Your Convenient: Come with sackpack, you can use it to storage the mirror or other cycling accessory in need.
Easy to Install: You can easily install the mirror without any tools, just following the instructions as described on the detail.
NOTE: Please take off this protective film before your use the helmet mirror.