Air helps your baby relax. The Philips Avent Ultra Air Night has extra-large air holes to keep skin dry. \ \ The glow-in-the-dark shield helps you see it when the lights are off. Available in a variety of colors and designs \ \ \ Orthodontic and BPA-free. \ \ \ \ Allows baby's skin to breathe \ \ Extra-large air holes ventilate skin to stay drier while your baby calms down. \ \ glows long in the dark \ \ use the ultra air glow shield to find your baby's pacifier quickly in the dark, without turning on the lights \ \ 100% food-grade silicone nipple \ \ we consciously choose silicone as the material for the ultra soft and ultra air nipples, as it is a safe and inert material, which is widely used in medical applications and does not contain hazardous chemicals, endocrine disruptors (e.g. bpa) and allergens. \ \ natural oral development \ \ the orthodontic, symmetrical soft silicone nipples are designed with natural oral development in mind. \ \ natural feel for baby \ \ the textured silicone nipple is designed to simulate the feel of the mother's breast. \ \ sterilizes in 3 minutes, for convenient sterilization \ \ the travel case that comes with the ultra soft and ultra air pacifiers also serves as a sterilizer. all you have to do is add a little water and put it in the microwave. that way it will be clean for the next use. \