Philips Avent Ultra Air complies with EU-Standard EN 1400 and is made at Philips Avent’s award-winning site in the United Kingdom. Ultra Air is designed to allow the maximum air flow, so your baby’s sensitive skin can breathe, and the area around the mouth does not become moist and irritated. The Ultra Air shield is lightweight and has soft, rounded edges for your baby’s comfort. Philips Avent has carried out a study which shows that 98% of the interviewed mothers said that their baby takes well to the Philips Avent Ultra Soft and Ultra Air soothers. Philips Avent Ultra Air soother come in packs of two in the colors shown.