6:

• paper
• flat base 
• tear off strip

• identical printing on both sides

• zigzag cut
• in the gussets:

• on base:

                                               recycling logo and dates

         date on base:    mm/yy

              02/05, 03/05, 04/05, 06/05, 07/05, 10/05, 11/05, 12/05,

              01/06, 11/06, 12/06,

              01/07, 03/07, 05/07, 06/07, 08/07, 10/07, 12/07

              01/08, 02/08, 03/08, 05/08, 07/08

              03/09, 05/09, 08/09, 09/09, 10/09, 11/09

              01/10, 06/10, 07/10, 12/10

              01/11