Medela is the only brand of breast pumps I would ever consider buying.  The pump and style backpack is wonderful.  It carries everything you need for pumping discreetly.  It comes with a battery pack backup, which was nice to have when we had a power outage. The optional car adaptor to purchase is wonderful for traveling. I was able to pump in the car discreetly without having to stop to pump. It comes with not only the battery pack, but tubing, a cooler bag, ice pack, bottles for storing and to feed baby if you choose, and an initial set of storage bags to freeze your milk, along with directions...