Pump directly into any standard bottle or freezer bag. It is easy to use and allows you to vary the frequency and degree of the handle squeeze for more effective pumping. Includes the Flexishield Areola Stimulator.This helps to stimulate the let-down reflex. The comfortable silicone insert reduces the shield size for maximum effectiveness with smaller nipples. This ergonomic and compact manual pump earned the High Design- Innovation Quality Award from Design Zentum Nordrhein-Westfalen Germany.