Pump In Style Advanced is a daily use breast pump designed for moms who pump several times a day. All Pump In Style Advanced breastpumps offer portable convenience for quiet, discreet pumping anywhere. It comes with three stylish microfiber bags to choose from (On-the-go-tote backpack or the Metro bag) to hold everything you need to pump. It allows single knob speed/vacuum adjustments. It lets you find your most comfortable pump setting. It has a one-touch let-down button. It produces more milk in less time when pumping at Maximum Comfort Vacuum in the expression phase. It comes with a cooler bag with a contoured ice pack and holds 4 breastmilk bottles, and ice pack provides up to 12 hours of cooling time. All parts that come into contact with breastmilk are BPA-free. It is safe for you and your baby. The on-the-go tote also features built-in bottle holders and a tubing storage pocket. It helps prevent spills and keeps tubing organized between pumping sessions. The Metro bag also features a removable pump in a separate bag and two sets of Fit breastshield sizes. The perfect pump for pumping and transport flexibility, and for greater comfort while pumping.