Standard Options: Higher Back (at 18"H) Wood or Kydex Arm Caps Upholstered Arms Heavy Duty Casters Recessed Pull Wood Base Brushed Aluminum Leg Sleeve Weighted Moisture Barrier TB133 (Fire Barrier) Tamper-proof Fasteners Combination Fabrics Hard Maple or White Oak Features: Tablet Arm has 300 lb Capacity Replaceable Components Steel Inner Construction Dymetrol Suspension Sustainable Materials used in frames Solid Hard Wood Feet Blanket-wrapped shipping (no cardboard packaging waste) Lifetime Warranty