Orthodontic pacifier designed for natural oral development; respects the natural development of babyu0026#39;s teeth and gumsnSix holes in shield allow extra air flow, ideal for sensitive skinnSilicone nipple wonu0026#39;t become misshapen or discolored over timenBPA freenDishwasher safe and can be sterilized; comes with a snap on hygienic cap to keep the nipple cleannBPA-Freen6 air holes in shield create extra airflow for less skin irritationnOrthodontic, symmetrical collapsible silicone nipplenSecurity ring handlenDishwasher safe and can be sterilizednPhilips Avent SCF178/25 Free flow Pacifiers offer a durable soothing solution for infants up to 6 months old. The 6 holes in the curved shield promote extra airflow for less skin irritation and greater comfort. The orthodontic, collapsible and symmetrical nipples respect the natural development of baby's palate, teeth and gums. Each pacifier comes with a snap on hygienic cap. All Philips Avent pacifiers are made of silicone and are taste and odor-free. The silicone is smooth, transparent, easy to clean and doesn't get sticky. The nipple is strong, long-lasting and won't become misshapen or discolored over time. Can be sterilized using a Philips Avent sterilizer and is dishwasher safe.