Blister
This appears to be a medication label, specifically for Drospirenone and Ethinyl Estradiol Tablets, USP. The label includes dosage information (3mg/0.02mg) and days of the week (WED, THUR, FRI). It also notes that this is "WEEK 3" and that "WEEK 2 START" has already occurred, with "WEEK 4" in the future.*