BUTTERFLY A | BUTTERFLY B | BUTTERFLY A1 | BUTTERFLY B1 | |
| Height | 1225~1385mm | 1025~1145mm | 1225~1385mm | 1025~1145mm |
| Seat depth | 600~655mm | 600~655mm | 600~655mm | 575~630mm |
| Seat width | 640mm | 640mm | 640mm | 640mm |
| Distance from floor to seat | 445~565mm | 445~565mm | 445~565mm | 445~565mm |
| Backrest width | 495mm | 495mm | 495mm | 495mm |
| Distance from seat to the top of backrest | 780~820mm | 580mm | 780~820mm | 580mm |
| Width between armrest | 470mm | 470mm | 470mm | 470mm |
| Distance from floor to armrest | 625~800mm | 625~800mm | 625~800mm | 625~800mm |
| From seat to armrest | 180~235mm | 180~235mm | 180~235mm | 180~235mm |
| Tilt angle degree | 25° | 25° | 25° | 25° |
  | ||||
Butterfly-B
