Features: Make from Nylons materials, this bicycles tail light mount bracket is extremely durability and can bear outdoor conditions. With Wrenches and fixing strap, this Bicycles tail light bracket can easily installed on your Bicycles seatpost and firmly fixed. With antivibration and antislip features, our bike seatpost bracket remain firmly, providing a steady hold. The tail light stays firmly attach to your Bicycles, reducing the risk of detachment or loss during your journey. The bicycles tail light mount is small in size, which will not occupy much space after installation, so bracket will not hinders your ridings. Specifications: Materials: Nylons with Fiber Size: As Shown in the Picture Package Includes: 1set Bicycles Saddles Lamp Mount note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.