Evenflo's Advanced Single Electric Breast Pump is designed with our PerfectlyPure closed system which prevents milk backup and provides easy cleaning * This breast pump includes 2 flange sizes and is compatible with Evenflo's Advanced Fit- flange system which has 6 different sizes available * Enjoy slouch-free pumping with our PerfectPosition flange angle and easy fingertip control for quick on/off and customizable vacuum * Super compact lightweight one-hand design is perfect for pumping on the go or a night out away from baby * The Advanced Single Electric Pump can be powered by the provided AC adapter or 3 AA brand name batteries (batteries not included) * This breast pump works with the Evenflo Advanced Milk Storage Bag Adapters allowing you to store milk faster and reduce milk loss when transferring from collection bottle to storage bag * It is Evenflo?s goal to not only provide Mom with dependable quality products but also ensure she has the resources she needs to have a positive and successful breastfeeding and pumping experience * To reach this goal Evenflo is excited to include comprehensive breastfeeding education with the purchase of each pump * Developed by our partner Breastfeeding Expert Shari Criso (IBCLC CNM RN) Simply Breastfeeding is a practical and proven program that has helped thousands of moms successfully breastfeed * This breast pump kit includes Electric Breast Pump 5 fl. oz. Milk Collection Bottle Cap Ring Sealing Disc (1) 30.5mm Flange Kit (1) 24.5mm Soft Flange Insert AC Adapter Instructions to Access Simply Breastfeeding Program and Instructions for Use *