The Lactation Aid Supplemental Nutrition System supplements baby while breastfeeding. Set includes, 2 feeding tubes in 5FR slow flow, syringe for flushing tube, container for breast milk or supplement which attaches to included the bottle adapter. The Lactation Aid Bottle Adapter allows you to attach the lactation aid tubing to included bottle and most 2oz/60ml short term use bottles. Feeding in his product is intended for short term use no longer than two weeks.