Before the first and after each use it must of course be cleaned. If they have been disassembled once according to the instructions described well you know how it goes. With detergent clean, rinse with clear water and then disinfected in a steam or hot water. Assembly is now without guidance.
The silicone pad is very comfortable and easy to use the lever. Very nice is that you can easily adjust by more or less pressure of the suction lever. Everyone has a different pain. Breast milk is collected cleanly and can be stored as cool.
A really nice and well designed device, its acquisition is absolutely worth!