Medela Harmony Manual Breast Pump is designed for mums who mostly breastfeed and is great for travel or as a backup to your electric pump. This is for breastfeeding mums who find electric breast pumps too excessive and just need a compact and handy manual breast pump to pump on the few occasions that you are away from baby.. 2-Phase Expression Technology: More milk in less time when pumping at Maximum Comfort Vacuum in the Expression phase Soft-touch, ergonomic swivel handle for comfort Bottle stand helps prevent spills All parts that come into contact with breast milk are made without BPA and safe for mom and baby