Now including PersonalFit Flex™ Breast Shield providing the benefit of more milk, more comfort. Flex™ techology has a unique 105-degree angle, oval shape, and soft rim that offers a better fit for optimal comfort while pumping and more milk per session. Harmony® is great for occasional time away from baby, or as a back-up to a Medela double-electric Breast pump. The soft-touch, lightweight design is portable and discreet. The ergonomic swivel handle makes manual pumping comfortable. 90 day limited warranty.