The NUK Nature Pacifier not only soothes, but also supports proper oral development and strong feeding skills. Suited for children zero to six months of age, this BPA-free pacifier features a silicone nipple that promotes correct teeth alignment and a grooved shield that allows air circulation and prevents skin irritation. Nature Pacifier, Size 1 (2-Pack) At a Glance: Age Requirements: 0-6+ months Assembly Requirements: No assembly required Warranty: Warranties handled on a case-by-case basis Colors and designs may vary. View larger.Mimics Mom"s Nipple Shape During Breastfeeding Thanks to its unique orthodontic design, the Nature Pacifier helps give babies the same secure feeling as when they breastfeed. The orthodontic shape conforms to little mouths and mimics the shape of mom"s nipple during breastfeeding.Orthodontic Design for Healthy Oral Development This pacifier uses an orthodontic design that helps your baby"s mouth develop correctly. Its tapered base allows babies to close their lips properly and breathe through their noses, while the additional cavity space grants the tongue optimum freedom of movement. The NUK Air System valve enables air to escape from the nipple, ensuring that the silicone stays soft and pliable. This orthodontic design limits pressure on your baby"s gums and incoming teeth, providing added comfort.Colorful Design to Delight Baby As cute as it is innovative, this eye-catching pacifier is patterned with bright colors on the shield that babies and parents will adore.BPA-Free and Dishwasher Safe All NUK products, including the the Nature silicone pacifier, is BPA-free, proving a safe accessory for your infant. Convenient for both babies and their caregivers, it can be placed on the top rack of the dishwasher for a quick and thorough cleaning.What"s in the Box NUK Nature Pacifier, Silicone, Size 1 (2-Pack). Same shape seen with the Orthodontic Pacifier and Orthodontic NippleNUK silicone and latex nipples and pacifiers are adapted to each stage of baby development Clinically proven to ease transition from breast to bottle and back Trademark Information: The NUK® Air System™