Avent Nipple Thick Liquid, reviews peg the nipple to be perfectly suited for thicker liquids like soup, condensed milk, and milk mixed with rice or other baby food. n Perfect baby feeding accessories for your Classic feeding bottles. n Specially designed for babies older than 3 months.n The unique valve on the teat is what makes this classic nipple extremely baby friendly. Not only does it help your child latch on easily, but also helps them control the flow of the feed, and thereby reduces overeating and spit ups. This makes for happier babies overalln As has been proven by clinical tests conducted with this Avent product. Another related and proven benefit of this product is the reduction of discomfort and colic.