The Philips Avent Ultra Air is designed to soothe teething babies. It features extra-large air holes to keep the little ones' skin ventilated and dry. For natural dental development, the Avent pacifier has a jaw-friendly and symmetrical design. Inspired by the female breast, it provides a natural sucking sensation for your baby. Made from pure, food-grade silicone material, it is BPA-free. The package includes a transport container that allows the pacifier to be sterilized and freed from germs in just three minutes when needed. It lets your baby's skin breathe. Supports natural dental development. The textured silicone nipple is modeled after the female breast. Sterilize and store in a convenient container. Includes 4 Ultra Air pacifiers and 1 transport container.