The AVENT dome caps are for leak-proof storage with the AVENT Natural Feeding Bottle or nurser.
Avent makes it easy for you to breastfeed, bottle feed or combine the two. The Avent Natural Feeding System gives you the flexibility and efficiency you need to choose what feels right for you and your baby from birth and beyond. Avent is the only feeding system that is clinically proven and doctor recommended. From the beginning, using the Avent Natural Feeding System is easy and convenient. As a fully interchangeable system, Avent makes it easy to transition effortlessly into new stages of your baby's development. With the exception of the Tempo system, all Avent nipples, bottles, cups, spouts and handles are interchangeable, so you can customize you baby's feeding and transition them with ease. At home or on the go, Avent fits naturally into your busy life by giving you everyday conveniences you need to make the "