Wearable, In-bra Design: Pump quietly and hands free with no dangling cords, wires, or bottles.360° Leak-Proof Mobility: Patented, gravity-defying latch lets you pump in any position (even lying down) with Willow’s leak-proof milk bags.Two Ways to Pump: The only in-bra pump with the option to pump into spill-proof, self-sealing milk bags or eco-friendly reusable containers (sold separately).Hospital Grade Suction: Choose from 7 suction levels with Smart Suction that automatically transitions from Stimulation to Expression at letdown and adjusts to help you get more milk.Smart Pumping: Advanced smart features - control your pumps from the Willow 3.0 app, track volume in real time, and automatically record session history.Easy to Clean: Easy to assemble, with only 2 dishwasher safe parts to cleanFDA approved, FSA/HSA eligible. Willow 3.0 comes with a 1 year manufacturer's warranty.Not made with BPAWhat's Included(2) Willow® 3.0 Pumps(2) Flanges (see size chart above for sizing)(24) 4 oz. Milk Bags(2) Cleaning Brushes(1) ChargerRechargeable battery lasts up to 5 pumping sessions to get you through the day