For those who want to sleep soundly, or as a precaution for times when you spend a lot of time sitting during the day and can't seem to find time to change. Help with bulky shopping! This is a set of 4, including shipping. Nighttime use, with wings, 36cm sanitary napkins, 12 pieces per pack. #SanitaryNapkins #NightUse #HeavyFlow #BulkPurchase