Avent Feeder Natural 125ML Philips Avent offers a wide range of breast care accessories to enhance our comfort and make you breastfeed for longer. Natural Bottle and Nipple for Natural Latch On. The wide breast shaped nipple promotes natural latch on similar to the breast making it easier and comfortable for the baby to combine breast and bottle feeding. Easy to Clean. Avent manual breast pump is easy to clean due to its small separate parts. It can be easily washed in the dishwasher.