Standard Options: Tablet Arm (300 lb capacity) Higher Back (at 18"H) Kydex Arm Caps 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: 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