Standard Options: Higher Back (at 18"H) Wood Cap Arms Upholstered Arms Contrasting Uph. Arm Caps Heavy Duty Casters Recessed Pull Wood Base Brushed Aluminum Nave Leg 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