Orthodontic pacifier designed for natural oral development; respects the natural development of babyu0026#39;s teeth and gumsnTougher silicone nipple than other Philips avent pacifiers, for increased bite resistancenSix holes in shield allow extra air flow, ideal for sensitive skinnBpa freenDishwasher safe and can be sterilized; comes with a snap on hygienic cap to keep the nipple cleann