Orthodontic Symmetrical Collapsible Nipple. Made from silicone and are taste and odour-free. Includes a snap on protective cap to keep sterilized nipples hygienic. Security ring handle for easy removal of the pacifier at any time. BPA-Free . Cute animal designs on front of pacifiers that correspond to Truman and friends. Orthodontic for maximum comfort. BPA-free. Designed for natural oral development. Snap on hygienic cap. Conforms to US CPSC Standards. Contains silicone. Nipple specially designed to ensure natural development of teeth and gums.