1.METAL FLAME WITH MEMORY FOAM 2. SINGLE SLIDER AND SINGLE ADJUSTOR 3.MIN QYT:100PCS *PINEAPPLE *STEEL SEAT FRAME *MEMORY FOAM, *WITH SINGLE ADJUSTOR &SINGLE SLIDER *RACING SEAT: MAX WIDTH OF SEAT BACK IS 22.84 INCH, HEIGHT OF SEAT BACK IS 37 INCH, MAX WIDTH OF SEAT CUSHION IS 20.01INCH, *N.W.:14KGS, G.W.16KGS 2011 new Car Racing Seat