The Breast Milk Storage Bag Connector is designed with simplicity in mind. It is user-friendly and does not require any professional skills or knowledge to use. This makes it perfect for new moms who may be navigating the world of breastfeeding for the first time. With this clip connector, you can easily and confidently store your breast milk without any complications. Features -Color:White -Material:Plastic -Size:9.30X6.00X6.00cm/3.65X2.36X2.36in -Note: Second generation wide mouth, compatible with medela - It is used to connect the pumps and the breast milk bag. To pumping breast milk directly into the breast milk bag. - People pumps directly into the most breastmilk storage bags and don't lose milk in transfers. - easy it is to lose milk when you've just pumped and need to transfer to a different container. - DO NOT hold the clip area when you are pumping to avoid release of the bag, thus dropping the milk on the floor! - This product solves the shortcomings of traditional breastfeeding methods which are easy to . Package list: 3 x Breast Milk Bag Adapter