Medela Pump In Style breast pump. It is a double electric breast pump designed to help mothers express milk. The pump uses 2-Phase Expression Technology to mimic a baby's natural sucking rhythm. It is available in various models, including those with MaxFlow technology, which is clinically proven to increase milk volume. The device is often considered a hospital-grade performance pump and is known for being easy to use and clean. Some models are designed to be hands-free and can be worn discreetly inside a nursing bra. No accessories included. These need to be purchased. The tote is clean and elegant and the pump is in excellent working condition.