• Product Number CMI-GCX1C-GY• Total Height Range 130-138cm / 51.2"-54.3"• Backrest Height 86cm / 33.9"• Backrest Width 58cm / 22.8"• Armrest to Armrest 72cm / 28.3"• Seat Width (including sides) 54cm / 21.3"• Seat Depth 54cm / 21.3"• Diameter of Base 70cm / 27.6"• Metal Plate Thickness 1.5mm• Armrest Adjustability 30-37cm / 11.8"-14.6"• Floor to Seat Top 50-58cm / 19.7"-22.8"• Height Adjustability 8cm / 3.1"• Armrest Width Adjustability 1.5cm / 0.6"• Recline 90-180 degree• Armrest 4D (lift, sway, swivel, forward)• Headrest Ergonomic Pillow• Extra Padded Backrest Built-in pillow (hidden stripes)• Surface Material Eco-friendly fabric (Non toxic polyester) on front• Inner Material Cold molded foam• Frame Material Steel• Base (leg) Aluminum• Caster 75mm / 3.0"• Gas Lift Class 4• Net Weight 24.7kg / 54.5lbs• Gross Weight 29.0kg / 63.9lbs• Max. Weight Load 150kg / 330lbs