The design of theater chairs should firstly ensure a good line of sight when watching a movie, and secondly, it should be ergonomic, comfortable to sit, minimize the pressure on the back muscles and spine, and not easy to fatigue, so most theaters use high-density qualitative Sponge cushions, and thirdly, in order to facilitate the dispersion of personnel, cinema chairs mostly use reversible cushions. Theater chairs should also consider numbering and lighting in the dark to facilitate seat finding.
