Standard Features：Pneumatic Massage，Seat Ventilation，Seat Heating，Electric Footrest，Electric Backrest，Electric Slide，Usb/Type-C Charging，Material Parameters：Frame: High-carbon Steel.Leather: Nappa Skin-friendly Series.Foam: High-elastic Memory Foam.Plastic: Abs/Pu.Voltage: 12v, Power: 50w.Seat Net Weight: 60kg.Dimension (Carton): 7076100cm.Double Seat: 13676100cm.Seat Size: 63 (L)×61 (W)×103 (H).