... . 4. Foam:high -density foam on the back and seat. 5. Base;five steel feet and can pass standard quality ... office furniture ,office chair,executive chair,ergonomic chair,swivel chair,leather chair,boss chair,manager chair,fabric chair,visitor chair,mesh chair,metal chair,secretary chair,staff chair, clerk chair,task chair,computer chair,drifting chair,meeting chair,conference chair,reception chair ...