Used fir a few months. Works great. No longer have box or instructions but you can find online Comes with what is in pictures. 2 pumps 2 sets of flanges and nipple sizing tool. And cords Cord-free, hands-free: fully in-bra design, hospital-grade suction, and customizable modes making it easy to pump discreetly and efficiently • Hospital grade suction: Up to -280mmHG, 2 pumping modes and 15 levels of adjustable suction • Ultra quiet & discreet: In-shirt design for pumping wherever, whenever with a rechargeable battery lasts up to 3 pumping sessions • Flexible Capacity: The highest milk capacity of any wearable pump — choose from a 5 oz or 7 oz (sold separately) reusable container • App controlled: making it easy to control your pumps, start, stop and change suction with a tap in the Willow app. Willow app can connect with experts for personalized guidance, and access research-backed content • Ultimate convenience: Easy to learn, use, and clean. Easy to assemble with just one hand, and simple clean up with dishwasher-safe and no tiny parts to wash • FDA approved, FSA/HSA eligible. Willow Go Pump comes with a 1-year manufacturer's warranty • What's Included • 2 pumps • 2 21mm flanges & 2 24 flanges