Lifetime Warranty Dimensions and Structure engineered for bariatric use Certified to hold up to 1,000 lbs. Spring Seat Construction Solid Maple Nemschoff Mortise and Tenon Low Formaldehyde Emissions Nemschoff Healthcare finishes for heavy use and harsh cleaning Certified to meet CTB 133/ASTM E-1537 Removable Seat and Back covers Arcade Back Design Open Clean-Out Design