Loong Air 6,7,8,9

China

6,8:

• paper 
• open gussets
• tear off strip
• straight cut

           8: different letter in the gussets:

                          e.g.

                  8-A, 8-E, 8-J, 8-0

7:

• paper 
• open gussets
• tear off strip
• straight cut

9:

• paper 
• open gussets
• tear off strip
• straight cut

      black tear off line