Pigeon Breast Pump Plastic is used to get rid of the remaining milk so that the mammary glands can be stimulated; producing more amounts of milk and thus making breast feeding even more effective. This Pigeon Breast Pump does not cause any harm to the mother or the baby. Pigeon Breast Pump is a small and compact device and can be easily carried around as well. The pump is made up of a material which is very soft against the skin. It is definitely a must have for all the new mothers.