Allows your little one's skin to breathe \ \ Soothes and allows air to circulate, with large air holes. 9 out of 10 parents agree: Philips Avent Ultra Air pacifiers are comfortable for my baby.** Relief is always close at hand, no matter who is caring for baby. Now with 80% plant-based materials.* \ \ \ \ Extra large air holes allow baby's skin to breathe \ \ Holes in the shell ventilate your baby's skin, keeping it dry for ultimate relief and comfort. \ \ \ \ Orthodontic nipple designed for normal oral development \ \ Our orthodontic nipples are designed using soft silicone to support the natural movements of the mouth muscles, helping to reduce the risk of malocclusion. The narrow-mouth nipple is designed to reduce pressure between the tongue and the roof of the mouth. Philips Avent Ultra pacifiers are independently certified by the Oral Health Foundation. Made from 100% food-grade silicone, they are more durable than rubber (latex) nipples and are free of BPA, BPS, phthalein, PVC and PAHs. \ \ \ \ Loved by babies with 98% nipple acceptance*** \ \ The textured silicone nipples are designed to mimic the feel of mom's breast. When we asked parents how their babies responded to them, an average of 98% said their babies accepted Philips Avent Ultra pacifiers. \