1) Mid Back Mesh fabric ,highly breathable
2) Mesh fabric seat Filled with mould sponge ;high and difficult to deformation
3) Adjustable seat height,travel length is around 7cm
4)Five star nylon base with nylon casters,moves flexible without any noise
5)Color optional, black,red,green,blue and so on
6)Capacity weight :150kg
7)Warranty : 2 years