Medela Pump In Style Advanced Breast Pump Backpack Gently used and in good working condition. This Medela Pump In Style Advanced comes in a convenient backpack for easy transport and discreet pumping on the go. Includes the built-in motor unit and space to carry accessories (see photos for what’s included). Perfect for working moms or anyone needing a reliable, portable pump. • Backpack style for hands-free carrying • Quiet and efficient