... leg 3.hight densty sponge 4.5 years warranty auditorium seatingr:1) Feet: single foot provided with ... powder coating after deoiling, derusting, acid cleaning4) Cloth: high-grade top leather,fabric, or PU(The color be ... selectable),anti-staining and unfading5) Sponge: formed by high-density super-soft PU cold foaming,seat foam ... testSeat falling crash testSeat automatic return test: auditorium seating