The parts are genuine, and they function as well as the originals... which is to say, pretty badly. They don't get a good seal so they get bad air leaks constantly.
The Freestyle pump parts are the most horribly designed of all the Medela pumps. They have to be put together PERFECTLY in order to function and if one side isn't fit together right then both sides lose suction. It is only because of the horrid design of these parts that I don't recommend the Freestyle pump at all.
材质无铅, 不含BPA, 不含乳胶, 不含邻苯二甲酸酯