1930's cigarettes @explainingcontext , In the early 20th century, cigarette packaging looked very different from what we see today., Around the 1930s, some were stored in small, circular metal containers More Early 1930's Cigarette Advertising:

Great wall decoration measuring 25cm x 25cm

The back side states: "Your doctor or your pharmacist can help you stop smoking", which is typical for the UK market

What this does is keep the cigars from getting too dry as well as too moist, both of which can affect the quality of the cigar and thus the smoking experience.

Cake Express also provides same day and midnight delivery service for Marlboro Cigarette Cake

Delayed Healing After Dental Procedures Smoking impairs your bodys ability to heal itself, which can be especially problematic after dental procedures such as tooth extractions, gum surgery, or dental implant placement

I can eat/drink and it doesn't completely wear off