FFC1855 Features: * Flexible mesh back material * Dense padded foam mesh seat * Triple paddle control mechanism * Back angle adjustment * Locking tilt control mechanism * Pneumatic seat height adjustment * Height adjustable nylon arms * Heavy duty nylon base * Dual wheel casters * CA117 fire retardant foam * Arm height from floor: 27 - 31.75" Dimensions: * Seat dimensions: 18 - 23" H x 19"" W x 17"" D * Back dimensions: 21"" H x 17.5"" W * Overall dimensions: 38.25 - 43"" H x 25.75"" W x 27.5"" D, 39 lbs