The main design feature is that they are easy to carry around as one can tuck it into a pocket or bag and the design also allows for easy access to a single cigarette at a time
[13] Philip Morris Circular No 390, December 31, 1969,, retrieved from Truth Tobacco Industry Documents [14] Internal memo dated October 18, 1971 - Multifilter test markets,, retrieved from Truth Tobacco Industry Documents [15] 'Brand Performance in the Cigarette Industry and the Advantage to Early Entry, 1913-74' by Ira Taylor Whitten [17] 'Mini biography of Walter Landor', retrieved from Truth Tobacco Industry Documents [17] 'Materials Department, Philip Morris, Europe' January 1974, retrieved from Truth Tobacco Industry Documents [18] 'Life-course Smoking Behavior Patterns and National Context in Ten Countries' by Dean Reginald Lillard, Rebekka Christopoulou, published by Oxford University Press in 2015, page 255
Light cigars have a lower nicotine content and thus result in a lesser buzz whereas heavy cigars have a higher content and thus are much more pleasurable to smoke
Yoshida et al., 2009