No more pouring between containers! Mom can pump directly into the same container used for freezing, heating and feeding. This conversion kit makes it easy for the new mom to use the Avent storage and feeding system with a breast pump of her choice. All items are dishwasher safe and can be sterilized. Kit Includes: 2 Breast Pump Converters for Natural Feeding Bottles 2 Breast Pump Converters for Via Disposable Bases 4 Disposable Breast Pads 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 best feeding choices, every step of the way.