Philips Avent contemporary pacifiers gives a durable soothing solution for babies 6 to 18 months old. The nipples are made of odor-less silicone, which is easy to sterilize and resists becoming sticky or misshapen. The specially designed shape of these no BPA pacifiers encourages healthy development of a baby’s palate, teeth, and gums. Orthodontic symmetrical collapsible nipple so right side up or upside down, Philips Avent pacifiers help ensure natural development of teeth and gums . Taste and odor-less silicone nipple makes for an easy transition between pacifier, breast and bottle.