The personalfit flex™ funnel, you can easily adjust your medela breast pump to the most comfortable and effective position on your breast. in a pack of 2. \ \ a new, unique breast milk pumping experience, specially adapted to your needs. \ \ thanks to the new personalfit flex™ funnel, you can easily adjust your medela breast pump to the most comfortable and effective position on your breast – even when your breasts change shape over time. it is a new, unique breast milk pumping experience, specially adapted to your needs. \ \ more milk and more comfort, as proven in tests by mothers \ \ the new personalfit flex™ funnel was developed with the help of a team of research scientists and breastfeeding mothers. it is specially designed to easily adapt to the shape of your breast, and stimulates the flow of milk, helping to prevent the compression of the milk ducts. thus, it makes it easier for every mother to find the pumping position that suits her best. \ \ result: more comfortable, more effective pumping, specifically tailored to your needs. \