Standard Options: Tablet Arm (300 lb capacity) Higher Back (at 18"H) Upholstered Arm Kydex Arm Caps Heavy Duty Casters Recessed Pull Wood Base (shown) Brushed Aluminum Leg Sleeves 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 Blanket-wrapped shipping (no cardboard packaging waste)