The Medela Pump In Style Advanced with On-The-Go Backpack is a comfortable and organized pumping solution. The backpack offers convenient portability and a hands-free option for busy moms. Organize all of your pumping accessories in this convenient backpack with pockets designed to store Medela products. This pump includes bottles, lids, travel cups, breast shields, power options and more. Enjoy having everything you need in one bag, including a cooler for milk storage!