PIGEON Milk Saver Pump collects the milk that leaks out during single pumping or latching. A common milk leakage experienced by all breastfeeding moms, also known as Milk Ejection Reflex or letdown. With PIGEON milk saver pump, you can save the milk for your baby and avoid all the hassle and mess using tissues or cloths to clean. You can use it as an emergency pump to relieve breast engorgement