Back Height 17" - 19" Carton Shipping Weight 51 lbs | 52 lbs | 53 lbs | 54 lbs Height 36" Length with Riggings 42" Product Weight with 16 Seat 34 lbs Product Weight with 20 Seat 34 lbs Product Weight with 18 Seat 34 lbs Product Weight with 22 Seat 35 lbs Seat Depth 16" - 18" | 18" Seat To Floor Height 17.5" - 19.5" Seat Width 16" | 18" | 20" | 22" Seat Width Closed 12.5" Warranty Limited Lifetime Weight Limit with 16 , 18 and 20 Seat 300 lbs Weight Limit with 22 Seat 350 lbs Width Open 24" | 26" | 28" | 30" Arm Rest Type (s) Flip Back, Detachable, Adj. Height Desk Arm | Flip Back, Detachable, Adj. Height Full Arm | Flip-Back, Detachable, Adj. Height Desk Arm