The Chicco PhysioForma Soft Silicone Orthodontic Pacifier is a 100% silicone one-piece pacifier that isn't just for pacifying but is also clinically developed for comfort, breathing, and orthodontic benefits. An exclusive nipple design helps position the baby’s tongue forward to maintain an open airway, which supports physiological breathing. Physiological breathing is especially important during sleep. It improves the quality of sleep and reduces irritability - better for baby & you!