Chair mechanism Swivel tent mechanism Pedestal Base Nylon base Armrest Material N.A (for without armrest) Seat material Pressed and moulded with PU foam Backrest is made of One piece hot pressed plywood with PU foam Density of PU foam used in seat KG per Cu Meter (± 3) 35 Density of PU foam used in backrest in KG per Cu Meter (±3) N.A Backrest upholstered with 100% Polyester Fabric Seat upholstered with 100% polyester fabric GSM/Thickness of fabric ±5%(Gram/Square meter) N.A Overall width (±10 mm) 550 mm Backrest Height ±15 mm 200 mm Backrest Width ±10 mm 360 mm Seat Height ±10 mm 440 mm Seat Width ±10 mm 440 mm Seat Depth ±10 mm 390 mm Thickness of MS Plate Joining the under structure with Seat 1.2 mm Thickness of Plywood used in Seat ±1(mm) 15 mm Thickness of Plywood used in Backrest ± 1(mm) 15 mm Pedestal Size (Diameter in mm) ±10 mm 580 mm Thickness of Polyurethane Foam Used in Seat in mm (±2 mm) 25 mm Thickness of Polyurethane Foam Used in Backrest in mm((±2 mm) 25 mm Warranty period in number of years-1