Dr. Brown?s Specialty Feeding System Bottle (SFS) was designed in collaboration with medical professionals seeking an oral feeding solution for infants identified with complex feeding challenges such as cleft lip and palate, ankyloglossia, high-arched palate, oro-neuromotor dysfunction, common or rare syndromic sequences, and/or craniofacial anomalies. The Specialty Feeding System exhibits the essential qualities of a Dr. Brown?s Natural Flow bottle which includes the internal vent system, clinically proven to reduce colic ? spit-up, burping, and gas. This bottle system also helps preserve vitamins C, A, and E in breast milk. The included Infant-Paced Feeding Valve is inserted into a Narrow Dr. Brown?s silicone nipple to create a ?compression? nipple. When used in combination with a Dr. Brown?s bottle system, the blue one-way valve assists the infant in self-regulation during oral feedings. The infant feeding system offers a consistent and reliable nipple flow rate for infant-directed feedings,