Dervish HB is a contemporary office chair with a comfortable upholstered seat and backrest on a height-adjustable gas piston base which swivels and tilts. The chair has a chromed steel five star base with plastic casters. The seat has a steel structure with “S” shape springs for extra flexibility and strength. This steel frame is molded by an injecting polyurethane foam. Dervish HB Office may be upholstered with variety of other colors as a special order with a minimum quantity required. The office chair is suitable for both residential and commercial use. Dervish HB Office is designed by Tayfur Ozkaynak.