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Medium ( 1 ): offers more space than Regular, but is still easy to roll

This backing gives smokers confidence that each pack of Chesterfield Red or Chesterfield Blue delivers the same taste, draw, and experience every time

There were also some limitations to what the study was able to do, for example, participants who vaped may have smoked in the past, so we cant be completely sure that the changes seen werent caused by previous smoking