Mid back swivel chair with castors to provide full mobility. Built with high density molded foam cushioned seating to provide maximum support and comfort. Backrest of chair is in mesh material for optimum ventilation and support. Chairs can be folded and stacked horizontally to save space. Frame is powdered coated for durability and sturdiness. Chairs come with 3-years warranty on parts which do not cover damages caused by wrong usage of chairs and human negligence.