Buy the Medela Supplemental Nursing System (SNS) from The Pump Station & Nurtury. Just $55.12. The Medela Supplemental Nursing System (SNS) is a feeding tube device to provide babies long-term supplemental feedings at the breast. When a baby is at breast over a period of days or weeks, a hormonal mechanism is triggered that causes milk to be produced. The SNS can also be used for: Inducing lactation Keeping special-needs babies at the breast Premature babies Weak, ineffective or lazy nursers Failure-to-thrive babies Impaired babies Low-milk supply mothers Relactating mothers A teaching tool to "fingerfed" babies who have had difficulty latching onto the breast Advanced system • Anti-leak TwistLok Lid prevents leakage and milk loss • Advanced venting system ensures consistent milk flow and comfortable feeding • Silicone tubing with soft, rounded edges - gentle on baby's mouth Easy to use • Versatile container and lid, ideal for milk preparation, storage, transport and feeding • Clip securely fastens device to nursing bra, shirt or pillow • Simple 'on / off' flow control Easy to clean • Specialty cleaning aid to help effectively clean the tube over repeated daily use Reusable Swiss Design Included: 1x TwistLok Lid 1x 150ml Container & Lid 1x Clamp 1x TwistLok Tube 1x Clip 1x Ring 1x Cleaning Aid 1x Instructions for use A disposable starter version of the Medela SNS kit can be found here.