The Haberman Lovi Manual Breast Pump has a 2 phase rhythm for suckling which consists of slow and fast sucks to stimulate the milk ejection, slower and deeper suctions will lead to more effective and efficient expressing. The breast pump has a comfortable ergonomically designed handle, with one finger pumping for ease of use. This set includes the expressing collection combo kit, spare parts a small case and food storage kit, giving you the complete kit that is ready to go out the box.