Extra large air holes for more relief and comfort Philips Avent Ultra Air pacifiers are comfortable for baby. They provide relief and allow air circulation, with large air holes. The extra large air holes allow babys skin to breathe The holes in the shell ventilate your babys 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 palate. 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 moms breast. When we asked parents how their babies responded to them, an average of 98% said their babies accepted Philips Avent Ultra pacifiers. Better for the planet with 80% plant-based materials More sustainable choices allow you to provide the best care with less impact on the planet. The full Philips Avent Ultra range includes pacifiers and sterilisation boxes made from 80% plant-based materials. Sterilization carrying case for quick and easy hygienic care The carrying case also functions as a sterilization tool, so your pacifiers are always ready when you need them. Simply add water and place in the microwave for 3 minutes for easy sterilization that produces up to 50% less CO2 emissions.