Chicco Physio Air Pacifiers are extraventilated ergonomic pacifiers. They respect the baby's skin thanks to the ventilation holes that ensure maximum air circulation, preventing irritation and letting the baby's skin breathe freely. They adapt perfectly to the baby's mouth, allowing the natural movements of the lips during sucking. They have soft, rounded edges that rest gently on baby's sensitive skin. They feature a safety ring. Silicone teat material