SpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five StarsSpecificationItemD-022ASizeStandard SizeCoverHigh Quality PU LeatherArmrestChrome PU ArmsHeadrestPU LEATHER + FOAMCastorPU Mute FunctionFunctionSwivel, Up/Down Adjustment, Back Angle Adjustment, Back Tension AdjustmentGas LiftBIFMA, SGS 100,000 Times TestBaseHigh Quality Aluminum Five Stars