Ship from Hongkong. This manual breast pump is used for the collection, storage and feeding of breast milk, the Harmony blends quiet, effective pumping with ease, true comfort and optimum convenience. Heating the breast pump by hot water 3-5 min expect the sucking ball, and wash the pump after used. Made of food grade PP & Silica gel. Temperature resistance: 110??. Heating it by hot water 3-5 min before use. Wash the pump after used. 150 ML.