1>Material:T800 Toray carbon,
2>Carbon Weave:3K,
3>Finish:Matte/Glossy,
4>Size:27.2/30.8/31.6*350/400mm,
5>Weight:About 200g, 
6>Warranty:1 Year.

Packaging Including:
1pcs*bike carbon seatpost

Professional carbon fiber factory, please contact me if more quantity.