Let your little one's skin breath with the Philips Avent ultra air pacifier. Featuring 4 extra-large air holes, the lightweight shield is designed for maximum airflow so your baby's sensitive skin stays drier while soothing. Features: 4 Extra Large air holes - ultra air is designed to allow maximum air flow, so your baby's sensitive skin can breathe. Your little one's sensitive skin stays drier while soothing, thanks to this pacifier's breathable design with maximum air flow. The ultra air shield is lightweight and features rounded edges for your baby's comfort. This pacifier’s silky, textured silicone nipple soothes and comforts your little one. Collapsible silicone nipple has a symmetrical shape that respects your baby's palate, teeth and gums as he or she grow With the carry case you can sterilize your baby's pacifier in the microwave and store hygienically when you're on the move. Sterlization instructions:Place well-rinsed pacifiers into the case, add 25ml/1 fl. oz. of water and microwave at 750-1000W for 3 minutes. Leave to cool for 5 minutes, drain water and they're ready to go.