Medela Harmony Manual Breast Pump- Light and discreet: can easily fit into your handbag so you can take it almost anywhere and pump. Flex Technology: unique flex breast shields mould perfectly to your shape for optimum comfort whilst pumping and gives you more milk per session. 2 phase expression: manual breast pump uses 2 Phase expression technology to simulate natural baby sucking behaviour at the mother's breast one of the only manual breast pumps to offer this. Ease of use and clean leaving you with more time to spend with baby. Plus breast milk storage bags!