Avent natural feeding teats 3M+ x2 -Avant-Garde anti-Fussing bottle nipple for babies the philips avent bottle nipples are a completely safe and clinically recommended product for babies. Made from superior quality silicone, these nipples are extremely soft and come with an easy to latch on mechanism so that they can be comfortably adjusted on the baby's feeding bottle. Ergonomic design of the philips avent nipples allows your baby to control the flow of milk with ease.