21:

20:

Vietnam Airlines 17,20,21

Vietnam

 

paper bag

open gusset

tear off strip

vertical tab on front

in the right gusset:

17: Tel: (84 4) 8.27008

20,21: Tel: (84-4) 3827008

straight cut

 

 

 

20: distances arrows: 9,2cm

21: distances arrows: 8,1cm