Used for about a month postpartum. Items in the bag are unused. Used items have been sterilized once. Stored at home for about six months, so the rubber material is not as pristine as new. Please refrain from purchasing if you are sensitive to this. [Included Items] Pigeon Breastfeeding Nipple, Lid Pigeon /pigeon/ Breast Pump/ Breast Milk Expression/ Breastfeeding/ Manual/ Prevention of Mastitis/ Breast Milk/ Clogged Milk Ducts/ Childcare Helper Goods/ One-person Parenting/ Childcare Goods/ Baby/ Mom