Taste and odor-free silicone nipple. Easy transition between pacifier, breast and bottle. Orthodontic symmetrical collapsible nipple. Right side up or upside down, AVENT pacifiers help ensure natural development of teeth and gums. Snap on protective cap. Keeps nipple clean and easy to transport. BPA free. Include two pacifiers, ideal age range: 6-18 months. Each pacifier comes with a snap-on protective cap.