Avent manual pump is both gentle and portable. The small compact pump is easy to take with you wherever you might need to pump, both at home or away. This pumps Natural Motion technology is inspired by baby's suckling and massage during breastfeeding for quick milk flow during pumping. In our manual pump the Natural Motion technology gently combines suction and nipple stimulation for quick milk flow. The soft silicone cushion adapts to fit both the size and shape of the breast comfortably. It fits nipple sizes up to 1.18 inches. The angle of the pump allows for an upright pumping position, thanks to a no lean forward design. The pump has only a few parts and therefore is easy to set-up, use, and clean. You can pump directly into the 4oz Natural bottle base and then attach the Natural response nipple to feed immediately. If not feeding right away, you can use the sealing disc and 4oz bottle to store the milk. Nipples are available, Flows 1-5. Includes a flange cap to keep the pump clean in transit. Made of BPA free materials. Model: SCF430/03