Cigar Packaging Study

Inclusion Criteria: * Current cigarillo smoker (i.e., smoked at least 50 cigarillos in their lifetime) * Not currently undergoing smoking cessation treatment or planning to quit smoking over the duration of the study (\~3 weeks). * Plan to live in the area for the duration of the study. * Willing to use study provided cigarillos. * Capable of giving informed consent, which includes compliance with the requirements and restrictions listed in the combined Informed Consent and HIPAA form. * Able to communicate fluently in English (i.e., speaking, writing, and reading). Exclusion Criteria: * Use of any nicotine-containing products other than cigarillos or cigarettes. Participants reporting isolated use of other nicotine containing products less than 5 times per month are eligible to participate. * Current or impending enrollment in a smoking cessation program. Further, participants will be excluded for an attempt to quit smoking over the duration of the study period. * History of substance abuse (other than nicotine dependence) in the past 12 months and/or currently receiving medical treatment for substance abuse. Attendance at alcoholics anonymous or narcotics anonymous meetings will not be considered medical treatment for the purposes of this protocol. * Current alcohol consumption that exceeds 25 standard drinks/week. * Women, including all individuals assigned as "female" at birth, who are pregnant, breast feeding, or planning a pregnancy over the duration of the study period. * Any impairment including, but not limited to, visual, physical, and/or neurological impairments preventing the proper completion of the study procedures. Notable impairments will be evaluated on a case-by-case basis by the Principal Investigator and/or the Study Physician. * Serious or unstable medical condition. Applicable conditions will be evaluated on a case-by-case basis by the Principal Investigator and/or the Study Physician. * Lifetime history or current diagnosis of COPD, cardiovascular disease, or heart attack. * Lifetime history of schizophrenia, psychosis, and/or bipolar disorder. * Current diagnosis of active major depression. Participants who maintain a diagnosis of major depression who have not experienced any major depressive episodes in the past 6 months and are stable on antidepressant medication(s) are eligible to participate. Additional, general reasons for exclusion include: * Past, current, anticipated, or pending enrollment in another research program over the study period that could potentially impact subject safety, study data, and/or the study design as determined by the Principal Investigator and/or Study Physician. * Any circumstance, medical condition, illness, disorder, adverse event (AE), or concomitant medication that could compromise participant safety or significantly impact study performance as determined by the Principal Investigator and/or Study Physician. Participants may be withdrawn for any of the aforementioned reasons at any point throughout the study. * Significant non-compliance with protocol and/or study design as determined by the Principal Investigator and/or Study Physician. Participants may be withdrawn at any point throughout the study.