... locked positions. 6. Steel chair armrests 7. 350mm steel chair base 8. Heavy duty nylon casters 9. Various colors are available ... . 7. Customer's design:customers design and logos are welcome ,fabric tag of customer logo can be sewed on each chair ... ,ergonomic chair,swivel chair,leather chair,boss chair,manager chair,fabric chair,visitor chair,mesh chair,metal chair,secretary chair,staff ...