Pigeon Silicone Pacifier Step 2, Grapes is based on extensive research on baby's oral development. It has a unique shape which promotes nasal breathing for enhanced baby's well doing. Apart from that, pacifiers also help babies learn nasal breathing. When babies begin to wean and talk, they tend to breathe through their mouth. It promote natural nasal breathing, which helps to reduce the possiblity of infection through mouth-breathing. Salient features of Pigeon Silicone Pacifier Step 2, Grapes: Activates the brain. Exudes a psychological stabilising effect. Breather holes on shield for safety. Protective hood for covering the nipple when not in use. Snug-fitting shield conforms to international safety standards. Perfectly fits the mouth of a teething baby. Thin lip cotact area promotes healthy development of teeth. Promotes nasal breathing. Promote natural nasal breathing, which helps to reduce the possiblity of infection through mouth-breathin.