Philips Avent Ultra Air Soother-With Sterilizer Case-Orthodontic-Pack of 2-Green & Grey-6 to 18M-PacifierSterilise and Store in One Handy Case: The ultra air travel case doubles as a steriliser, so all you need to do is add some water and pop it in the microwave. Then rest easy that it's clean for the next use. Loved by Babies Worldwide: When we asked mothers how their little ones respond to our textured silicone teats, an average of 98% said that their baby accepts the Philips Avent ultra soft and ultra air soothers. Lets Skin Breathe: Extra large air