Features:5 Star nylon base with dual wheel carpet castersProduct Type: Kneeling ChairBase Finish: BlackCasters Included: YesNumber of Casters: Removable Casters: Frame Material: PlasticFrame Material Details: NylonSeat Material: FabricSeat Material Details: memory foamSwivel: NoErgonomic: YesAdjustable Height Stool: YesUpholstered: YesUpholstery Material: Cushion or Upholstery Fill Material: FoamTufted: Skirted: Welt On Cushion: Upholstery Color: Legal Documentation: NoWeight Capacity: 200Country of Origin: ChinaSupplier Intended and Approved Use: Residential UseSpefications:CALGreen Compliant: ADA Compliant: California Proposition 65 Warning Required: NoISO 9000 Certified: ISO 9001 Certified: ISO 14000 Certified: ISO 14001 Certified: ISTA 1A Certified: ISTA 3A or 6A Certified: UL Listed: ANSI/SOHO S6.5 Small Office/Home Office: BIFMA G1 Ergonomics Guideline for Furniture: Composite Wood Product (CWP): YesChemikalien-Verbotsverordnung, Section 3 Compliant: CARB Phase II Compliant (formaldehyde emissions): YesTSCA Title VI Compliant (formaldehyde emissions): YesTAA Compliant: CAL TB 117-2013 Compliant: GSA Approved: CAL TB 133 Compliant: HFES 100 Certified Ergonomic: LEED Project Appropriate: CPSC - 16 CFR 1303 Compliant: YesSCS Certified: GS (Geprfte Sicherheit) listed: BIFMA HCF 8.1 - Healthcare Furniture Design: CSA Certified: cUL Listed: BHFTI Upholstered Furniture Flammability Compliant: ANSI/BIFMA M7.1 Standard Test Method for Determining VOC Emissions: Lacey Act Compliant: NFPA Compliant: ANSI/BIFMA X5.11 Large Occupant Office Seating: Energy Policy Act 1992 Compliant: ANSI/BIFMA X5.4 Lounge & Public Seating: CPSIA Compliant: ANSI/BIFMA X6.1 Educational Seating: Fire Rated: FIRA Certified: Responsibly Sourced Down / Wool Certified: Down Pass Certified: Responsible Down Standard Certified: Sustainably Sourced Wood Certifications or Reclaimed Wood: FSC Certified: SFI Certified: ITTO Compliant: Reclaimed Wood: PEFC Certified: ANSI/BIFMA X5.1 Office Seating: CE Certified: Dimensions:Knee pad: 16.5'' W x 12.5'' DOverall Width - Side to Side: 17Overall Depth - Front to Back: 22.25Adjustable Height: YesMaximum Overall Height - Top to Bottom: Minimum Overall Height - Top to Bottom: Seat Width - Side to Side: 17Seat Thickness: 3.25Overall Product Weight: 16Exercise Ball Base: NoBall Base Height - Top to Bottom: Ball Base Depth - Front to Back: Ball Base Width- Side to Side: Assembly:Can be assembled without the knee pad attachmentAdult Assembly Required: YesSuggested Number of People: Additional Tools Required: Estimated Time to Assemble: Warranty:Commercial Warranty: NoProduct Warranty: YesWarranty Length: LifetimeFull or Limited Warranty: Warranty Details: