Product Details: These specialty feeding devices were designed for babies with special feeding circumstances such as oral/facial problems associated with cleft lip/palate or feeding and sucking problems. They offer a variable flow rate, have a one-way valve to prevent flooding, are sensitive to the weakest feeding effort and respond to baby's tongue and gum activity (rather than sucking). They have a venting system and comes in sterile packaging. The ''mini'' feeder was designed for smaller or pre-term babies.