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