Rethink the way you go about tackling the day with the Advance office chair. Designed with 90 degree rotating padded armrests, Advance was so named after the stirrings of enthusiasm that it helps activate. Complete with a mesh back that combines both form-fitting ergonomics and the progressive nature of achievement, Advance keeps productivity high while lowering both mental and physical stress. Made with a durable nylon frame, a tension knob to personalize the chair s tilt, full 360 degree swivel, one-lever height adjustment, and five dual-wheel casters for easy gliding over carpeted surfaces, Advance is a perfect chair for both home or office. Set Includes: One - Advance Office ChairGenerously padded mesh seat panNylon base with dual-wheel casters90 degree rotating padded armrestsDurable PP plastic frameHeight adjustableTilt mechanism Assembly requiredOverall Product Dimensions: 23.5"L x 25"W x 34 - 37"H Seat Dimensions: 18"L x 19.5"W x 16.5 - 19.5"H Backrest Dimensions: 19"W x 21.5"H Armrest Dimensions: 8"L x 24.5 - 27.5"H Base Dimensions: 23.5"L x 23.5"WProduct Materials: Nylon mesh +28kg/m3 density foam, Plastic frame, Nylon caster, Powder coating chassis, adjustable powder coated gas-spring, tilt function