Assists in the management and treatment of complicated oral feeding issues Accomplishes "Infant-Directed" feedings Helps decrease gas and burping with non-squeeze method Assisting with digestion and preserving vitamins A, C, and E Dishwasher and sterilizer safe. BPA free. Dr. Brown's Specialty Feeding System is an oral feeding solution designed specifically to assist in the management and treatment of complicated oral feeding issues including, cleft lip and palate, ankyloglossia, high-arched palate, oro-neuromotor dysfunction, common or rare syndromic sequences and/or craniofacial anomalies. The Dr. Brown's Specialty Feeding System allows baby to express a bolus with lingual movements during sucking attempts without requiring a manual bolus expression from a parent or caregiver. The Dr. Brown's Infant-Paced Feeding Valve (included) is inserted into any level Dr. Brown's nipple to create a "compression" nipple and when used in combination with the Dr. Brown's bottle system, assists baby in self-regulation during oral feedings. Dishwasher and sterilizer safe. BPA free.