33,37,44,45:

China Southern 33,37,44,45

China

 

paper bag

open guessets

tear off strip

manufacturer in the right

straight cut

 

Arabic letters at front

 

 

44 :no manufacturer

 

 

 

 

 

 

the chinese letters are in the gusset, not at backside.

37:                               33:

 

the chinese letters are in the gusset, not at backside.

45: