KD, Arm Office Chair (High Back) Swivel Seat & Adjustable Height, 5 Inches (Metal Gas Lift, 120mm) Padded BACK & SEAT Inside (Black PU), Bentwood Frame Outside (Walnut Finish) CONSTRUCTION SEAT: Full Foam; Frame: Wood () BACKREST: Curved, Tight Cushion Wood ARM/Seat Frame: Curved 5-Star Base w/Casters: 320mm Material: Black PU (Solid Pattern)