It’s a whole new pumping experience, personalised to you. With Medela's new PersonalFit Flex breast shield, you can easily adapt the way your Medela pump fits to help you find the most comfortable, most efficient position to pump – even as your breast shape changes. Benefits: Oval for a better fit. Comfortable Soft Rim. 11.8% more milk. Fit all Medela personal use breast pumps. BPA Free. For maximum comfort and pumping efficiency, Medela offers four sizes. Caution: While some discomfort may be felt when first using a breast pump, using a breast pump should not cause pain. If you are unsure about breast shield sizing, please contact a healthcare professional or breastfeeding specialist who can help you get a proper fit. About Medela They offer research-based solutions for breastfeeding mums and expert advice. Across the different stages of life, Medela products go beyond form and function. They heal, nurture health, and build bonds. Over the last 60 years, the Medela company has been devoted to the science of making the most delicate form of care simple, intuitive, and effective. Medela has been caring for moms and babies, patients, and healthcare professionals for so long, that they've turned it into a science. Through strong investment in scientific and clinical research centred on the anatomy of the lactating breast, infant sucking patterns and mechanics, and stem cells in mothers' milk, Medela support and celebrate breakthrough insights in lactation, human milk, and infant feeding. By observing infant suckling and the importance of skin-to-skin contact, Medela drove innovation that removed early breastfeeding barriers to help moms and babies get the strongest start. Through observing dedicated nurses care for their patients, Medela recognizes the great importance of intuitive technology and its impact on patient care.