This product assist mother during the lactation to suck milk easily and comfortably; to collect milk, to keep it fresh and carry it etc. It consists of three-port sucking-device, hand sucking-pump, feeding bottle, bottle stand, sealed Cover and Assemblies. For more information about our company, welcome to visit our website: http://www.deluxe-breastpump.com/, there are clear photos, good video and detailed specification on it.