The Chicco Physio Air Silicone Soothers looks after your baby’s skin by providing extra ventilation to avoid irritation from moisture and excessive contact. Features: Ventilation holes limit skin irritation - The passage of air to avoid stagnation of saliva and allow the baby's skin to breathe included.   Ergonomic design - Compatible with the child's face and maintains a suitable space left between the pacifier and the baby's nose and chin NB:  Designs may vary slightly